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Home My WebLink Aboutpitkin.eh.264504303004 (2000))en/Pitkin Environmental Health Dep nent F snit for an Individual Sewage Disposal System 130 S. Galena St. Aspen, Colorado 81611 Phone 970-920-5070 / FAX 970-920-5074 }� r' a (r,4' -043 -OCY4 Permit # 00 023 Parcel ID # 2465=043-0@7 Sy Type of permit New( ) Repair( ) Addition to House( x) --`y----__ Name of Owner Scott and Patty Nelson Street Address 0084 Haystack Lane Property legal description Lot 29, Block 1, Little Elk Creek Size of lot 1.005 acres Total square footage of the house 2100 sq ft Water source —Little Elk Creek Community water system # of bedrooms in house 5 # of offices, lofts & similar sized rooms in house Caretaker unit Total square footage of the caretaker unit # of bedrooms in caretaker unit # of offices, lofts & similar sized rooms in caretaker unit Designed for what # rooms (list) 5 Permit information Designed by Schmuseser Gordon Meyer, Inc. - Dan Cokley Mailing Address 118 West 6`h, Suite 200, Glenwood Springs, CO 80601 Perc rate 30 Profile hole depth Depth to groundwater or bedrock 5 ft (reconfirm) Septic tank capacity _2500 gallons Absorption area 1341.9 sq ft Comments Septic permit approved per compliance with the engineer design and specifications dated May 5, 2000. Any changes must be approved by this department and the design engineer prior to them being made. Minimum horizontal distances between components of the system and physical features shall conform to the Pitkin County ISDS regulations. Minimum setback from the irrigation ditch to the absorption field is 110 feet, however, the engineer has made a comment that there is no chance of the leach field to contaminate the irrigation ditch water and therefore the setback can be reduced to 50ft. The system design will consist of a new tank followed by the existing tank with a total capacity of 2500 gallons. The existing absorption field is to be removed and replaced with a bed configuration of a minimum of 87 infiltrator units. Ground water depth is to be reconfirmed at the time of construction. When this depth has been verified, the field will be elevateed with sand as necessary to provide a 4 foot separation from the groundwater. This department does not endorse any brand of products. The engineer must do a final inspection of the installation and submit an as -built letter to this department. This department must also be called for an inspection with a minimum of 48 hours advanced notice. Permit approved by: La, , r Date: V� 1 Plans and specifications of the proposed individual sewage disposal system have been reviewed and are considered satisfactory. Permission is hereby granted to the owner or the agent to perform the work indicated in accordance with the Pitkin County ISDS Regulation in effect at the time of issue. This permit becomes invalid 6 months from the date that the permit was issued unless system construction has commenced or an extension has been approved in writing by the Department. As -built drawings must be included with this permit before the final approval will be issued. Installer: Final inspection approval: Date: C, Fllfli� LEnvirolllllelitill Hedlth 9, 2001 Scott and Patty Nelson 0084 Haystack Lane Old Snowmass, CO 81654 RE: 0084 Haystack Lane Lot 29, Block 1, Little Elk Creek Parcel Number: 2465-043-03-004 Dear Mr. & Mrs. Nelson; Attached please find, a copy of your septic permit. On November 17, 2000 the Final Inspection Approval was given for your above-mentioned property. This letter is confirmation that your Individual Sewage Disposal System has been finaled. This letter will be filed and serve to reverse any previous letter filed with the Pitkin County Clerk and Recorder-, that states "no final approval." If you have any questions, please call me at the number below. adelyn Blumenthal Glisds/permit/nelson ltr.doc 11111111111111111111111111111111111111111111111111111111 IN 450962 01/29/2001 12:26P PERMIT DAVIS SILVI 2 of 2 R 10.00 D 0.00 N 0.00 PITKIN COUNTY CO 0405 Castle Creek Road, Suite 10 Aspen, Colorado 81611 (970) 920-5070 fax 920-5077 www.pitkingov.com Permit # 00 023 i -----� �t ' r; rmitfor an Inividuai sewage Ulsp sstem 130 S. Galena St. Aspen, Colorado 81611 41113 Phone 970-920-5070 / FAX 970-920-5074 cs� t atc4� c43 Parcel ID # 2465-043-03-007yyi'�S,ZS`Y Type of permit New( ) Repair( ) Addition to House( x) O U Name of Owner Scott and Patty Nelson J Street Address 0084 Haystack Lane �� Z Property legal description Lot 29, Block 1, Little Elk Creek Size of lot Water source 005 acres Total square footage of the house 2100 sq ft � Z —OX Little Elk Creek Community water systemIL M d in house 3C # of bedrooms in house 5 # of offices, lofts & similar size rooms W_ to CD Caretaker unit Total square footage of the caretaker unit d # of bedrooms in caretaker unit # of offices, lofts & similar sized rooms in caretaker unit N Z -- a �C449 � a r, man Permit information �N CD Designed Designed by Schrnuseser Gordon Meyer, Inc. - Dan Cokley �N Mailing Address 118 West 61h Suite 200 Glenwood Springs CO 80601 Perc rate 30 Profile hole depth Depth to groundwater or bedrock 5 ft (reconfirm) w a m Septic tank capacity 2500 gallons Absorption area 1341.9 sq ft =a c Comments Septic permit approved per compliance with the engineer design and specifications dated May 5, 2000. Any changes must be approved by this department and the design engineer prior to them being made. Minimum horizontal distances between components of the system and physical features shall conform to the Pitkin County ISDS regulations. Minimum setback from the irrigation ditch to the absorption field is 110 feet, however, the engineer has made a comment that there is no chance of the leach field to contaminate the irrigation ditch water and therefore the setback can be reduced to 50ft. The system design will consist of a new tank followed by the existing tank with a total capacity of 2500 gallons. The existing absorption field is to be removed and replaced with a bed configuration of a minimum of 87 infiltrator units. Ground water depth is to be reconfirmed at the time of construction. When this depth has been verified, the field will be elevateed with sand as necessary to provide a 4 foot separation from the groundwater. This department does not endorse any brand of products. The engineer must do a final inspection of the installation and submit an as -built letter to this department. This department must also be called for an inspection with a minimum of 48 hours advanced notice. j 1 Permit approved by: , /��, ti,( 0- �5 1flr�- Date: Plans and specifications of the proposed individual sewage disposal system have been reviewed and are considered satisfactory. Permission is hereby granted to the owner or the agent to perform the work indicated in accordance with the Pitkin County ISDS Regulation in effect at the time of issue. This permit becomes invalid 6 months from the date that the permit was issued unless system construction has commenced or an extension has been approved in writing by the Department. As -built drawings must be included with this permit before the final approval will be issued. Installer: Final inspection approval: -�I Pitkin County EnvironmentalHeaith January 9, 2001 Scott and Patty Nelson P 0084 Haystack Lane Old Snowmass, CC) 81654 RE: 0084 Haystack Lane Lot 29, Block 1, Little Elk Creek Parcel Number: 2465-043-03-004 Dear Mr. & Mrs. Nelson; Attached please find, a copy of your septic permit. On November 17, 2000 the Final " Inspection Approval was given for your above-mentioned property. This letter is confirmation that your Individual Sewage Disposal System has been finaled. This letter will be filed and serve to reverse any previous letter filed with the Pitkin County Clerk and Recorder, that, states "no final approval." If you have any questions, please call me at "the number below. Glisds/permit/nelson ltr.doc 0405 Castle Creek Road, Suite: 10 Aspen, Colorado 81611 (970) 920-5070 fax 920-5077 www.pitkingov.com 0 SCHMUESER GORDON I MEYER ENGINEERS & SURVEYORS I - I � I November 6, 2000 __... Ms. Nancy MacKenzie Pitkin County Environmental Health 130 South Galena Aspen CO 81611 RE: Lot 29, Little Elk Creek Subdivision Dear Nancy: X GLENWOOD SPRINGS 1 18 W. 6TH, SUITE 200 GLENWOOD SPRINGS, CO 81601 970-945-1004 FX: 970-945-5948 ASPEN P.O. BOX 21 55 ASPEN, CO 81612 970-925-6727 FX: 970-925-4 1 57 The purpose of this letter is to provide to you a record drawing of the Nelson ISDS and confirmation that the system was installed per the plans prepared by SGM and approved by Pitkin County. The attached record drawing will provide an accurate location of the newly - installed tank with pump system and the infiltrator leach field. Please do not hesitate to call if you have any questions or comments regarding this matter. Sincerely, SCHMUESER GORDON MEYER, INC. n.i Dan Cokley, P.E. DC: lc/95128A.1 Enclosure: Record Drawing cc: Scottie Nelson 84 Haystack Lane Snowmass Village CO 81615 0 — C."� Scott & Patricia Nelson 0084 Haystack Lane Snowmass, CO 81654 June 20, 2000 PITKIN COUNTY TAL HEALTH DEPARTMENT Re: Lot 29, Block 1 Little Elk Creek Subdivision; permit #97043 Dear Mr. & Mrs. Nelson: On February 22, 2000, you were sent a letter, a copy of which has been attached to this letter, stating that we had not been able to final your individual sewage disposal system (ISDS) for your remodeled home. We'd notified you in the letter that specific criteria had to be met by June 15, 2000 in order to prevent a copy of the letter from being recorded against your property. The deadline date has since passed, and Pitkin County Environmental Health has not been able to final the ISDS. Therefore, we are sending you this letter to notify you that a copy of the attached letter has been recorded against your property deed. When the requested criteria have been met, and Pitkin County Environmental Health is able to final the ISDS for the remodeled home, steps will be taken to reflect on your deed that these concerns with your property no longer pertain. Since ly / 60 Maddy Blumenthal Pitkin County Environmental Health �- Postage Certified Fee Ir rl l Return Receipt Fee F 0 (Endorsement Required) i O Restricted Delivery Fee O (Endorsement Required) St p Tots' Postage $ Fees $ �� ru 111 Nam (Please Pr cl �Ilarly ob Q b 130 F f" Com lete� Y mailer Snu7y GALENA STREET ()^ Stre N AspEN Coro D` °r 0... x o. . C . � wWw.aspengo,�o°p/e..... 0 611 197$ . I C1iY. St�nn knew/cn"_, + 4 - 1^ // .l ■ Complete items 1, 2, and 3. Also complete item 4 if Restricted Delivery is desired. ■ Print your name and address on the reverse so that we can return the card to you. ■ Attach this card to the back of the mailpiece, PS Form 3811, July 1999 ❑ Insured Mail 0 C.O.D. 000 9-7,! Domestic Return Receipt 102595-99-M-1789 t UNITED STATES POSTAL SERVICE First -Class Mail Postage &Fees Paid USPS Permit No. G-10 • Sender: Please print your name, address, and ZtP+4 in this box • Aspen/Pitkin Environmental Heetth Department 130 S. G8W0 Aspen, CO 61611 • .1 `,lam �� - '�" To: Scott & Patricia Nelson 0084 Haystack Lane .e.�c9�11 Snowmass', CO 81654 '— �` t , A,,,, PITKIN E..WRONMEv7AL HEALTH DEPAM. Eti7 February 22, 2000 Re: Lot 29, Block 1 Little Elk Creek Subdivision; permit #97043 Dear Mr. & Mrs. Nelson: A permit for an individual sewage disposal system (ISDS) was issued for the above noted property on 8/11/97. This permit was required due to your desire to remodel your existing home. Without an ISD5 permit being issued, we would not have been able to sign off on your building permit to remodel your home. Your remodel has been completed and your Certificate of Occupancy (CO) is waiting to be signed. Pitkin County Environmental Health cannot sign your CO without first finaling your I5D5 permit. You must have your I51)5 permit finaled by June 15, 2000. The steps for finaling the permit include: installation of the system, calling Environmental Health to conduct a final inspection of the system installation, calling your engineer to conduct a final inspection of the system instcllation, a final letter and as -built drawing of the system being submitted by your engineer to Environmental Health. Enclosed is a copy of your I51)5 permit. Our efforts to work with you to have this system installed and bring this ISD5 permit to completion have failed. As was previously stated, we must be able to final your ISDS permit by June 15, 2000. If the permit is not finaled by this date, we will record a copy of this letter against your property as public notice of non-compliance. In addition, because there are public health concerns due to your lack of compliance, we may also seek injunctive relief through the courts. 5hould you have questions regarding this issue, please don't hesitate to contact this department. 5'na IX,_ I IIIIII IIIII IIIIII IIIII III IIIIIIII IIIII III IIIII IIIIIIII 444373 06/20/2000 02:44P NOTICE DAVIS SILVI ��11 - jI 1 of 1 R 5.00 D 0.00 N 0.00 PITKIN COUNTY CO Thomas 5. Dunlop Director, Pitkin County Environmental Health Department CC: Pitkin County Attorney Printed on Recycled PaQer 130 Som GALENA STREET- ASPEN, COLORADO 81611-1975 - PHONE 970.920.5070 - F. 970.920.5197 Primed w Rmxiod Pap. y 1,77ne P, � "e, To: Scott & Patricia Nelson 0084 Haystack Lane �) f( Snowmnss CO 81654 V -1-�� l'Yt°.e- 1 11Ck�- J ASPEN PITKIN t31 �x 1� 1 L:A- 29 , h 1 11►� � ' ENVIRONMENTAL HEALTH DEPARTMENT February 22, 2000 Re: Lot 29, Block 1 Little Elk Creek Subdivision; permit #97043 Dear Mr. & Mrs. Nelson: A permit for an individual sewage disposal system (I5DS) was issued for the above noted property on 8/11/97. This permit was required due to your desire to remodel your existing home. Without an ISD5 permit being issued, we would not have been able to sign off on your building permit to remodel your home. Your remodel has been completed and your Certificate of Occupancy (CO) is waiting to be signed. Pitkin County Environmental Health cannot sign your CO without first finaling your ISD5 permit. You must have your ISDS permit finaled by June 15, 2000. The steps for finaling the permit include: installation of the system, calling Environmental Health to conduct a final inspection of the system installation, calling your engineer to conduct a final inspection of the system installation, a final letter and as -built drawing of the system being submitted by your engineer to Environmental Health. Enclosed is a copy of your ISDS permit. Our efforts to work'with you to have this system installed and bring this ISDS permit to completion have failed. As was previously stated, we must be able to final your ISDS permit by June 15, 2000. If the permit is not finaled by this date, we will record a copy of this letter against your property as public notice of non-compliance. In addition, because there are public health concerns due to your lack of compliance, we may also seek injunctive relief through the courts. Should you have questions regarding this issue, please don't hesitate to contact this department. 5'ncet_rgl� - Thomas S. Dunlop Director, Pitkin County Environmental Health Department CC: Pitkin County 'Attorney Printed on Recycled Paper 130 SOUTH GALENA STREET • ASPEN, COLORADO 81611-1975 • PHONE 970.920.5070 • FAx 970.920.5197 Printed on Receded Paper ASPEN. ; KIN ENVIRONMENTAL HEALTH DI 1RTMENT APPLICATION FOR INDIVIDUAL SEWAGE DISPOSAL SYSTEM 130 S. Galena St., Aspen Colorado 81611 Phone 970-920-5070/Fax 970-920-5074 Name of OWNER �i'i c -t G. _1 e5 in Owner's Mailing Address t -j i t �� t- ► L Business Phone: ��'l- 3 ( Home Phone: QL-2-- �1 3 Primary Contact Person (all communication regarding this permit will go through this person) Name Company Contact Mailing Address C_ vY\,4EL Business Phone : Cell Phone: Fax Parcel ID # (available from assessor's office at 920-5160 or at www.aspen.com/assessor/) j Z - O 3- - La � - Street address of property C �{ /'t �� S T ,-C Legal Description: Lot Block Filing Subdivision r f �'E(� ►�e� �- Size of lot: /= dOS"- acres. Type of proposed structure: Size of bldg. envelope: Total square feet of house l d fil # of bedrooms in house LJ ✓ M : / .5� 144� # of offices, lofts & similar sized rooms in house Caretaker Unit: Attached ( ) Detached ( ) Total area(sq. ft.) of caretaker unit # of bedrooms in caretaker unit # of offices, lofts and similar size rooms of caretaker unit Permit is for: New Home ( ) Repair due to failure ( ) Remodel/Addition (4 �) Emergency use ( ) Water: Private well( *./S Spring( ) Stream ( ) Community/Public Water System ( ) If community system: Name of system The fee for a ISDS application is $330 for a permit that takes 6 hours or less for the department to approve. If approval takes longer than 6 hours, a rate of $55 per hour will be charged. The maximum fee is $1000. The basic fee of $330 is due at the time of application. The remainder, if any, will be due in two stages: first, at the time of issuance of the ISDS permit; second, before final approval of the ISDS permit. Application for an individual sewage disposal system is hereby submitted. I hereby certify that the above information is true and accurate and that I have provided true and accurate information on locations of all existing and proposed wells, contour intervals, buildings, property lines, ditches, slopes, waterlines, springs, suction or irrigation lines, drinking water cisterns, drain tiles, irrigation ditches, lakes, water courses, streams, floodplains, dry gulches, and existing septic systems. I hereby certify that any such features not shown on attached site map are not present. Issuance of the permit does not imply the approval of any other permit required for construction pursuant to Pitkin County codes. No construction may be undertaken until all approvals and permits have been obtained. The Aspen/Pitkin Environmental Health Department, Pitkin County and employees of these agencies will be held harmless should the individual sewage disposal system fail or malfunction. The permit to construct is issued on information submitted by the applicant or his/her representatives. The owner assumes full responsibility in case of failure of the system. Signature of applicant �5 `� Date J. �,e Received by Receipt # G:\eh\isds\isdsapp.doc Date (970) 945-1004 FAX (970) 945-5948 May 8, 2000 ENGINEERS SURVEYORS _ SGM SCHMUESER GORDON MEYER Ms. Nancy MacKenzie Pitkin County Environmental Health Department 130 South Galena Aspen CO 81611 RE: Nelson Residence ISDS Dear Nancy: 118 West 6th, Suite 200 Glenwood Springs, CO 81601 The purpose of this letter is to transmit to you a revised ISDS plan for the Nelson residence located at Lot 29, Little Elk Creek Subdivision in Pitkin County, Colorado. This plan has been revised for a groundwater depth of five feet and the inclusion of sand to raise the bed and maintain four -foot separation from groundwater to bottom of bed. It was also noted that the design flow of 1750 gallons requires a setback of 110 feet from the irrigation ditch, based on the eight -foot rule over 1000 gallons of design flow. The irrigation ditch is located on the western portion of the property running south to north. It is my opinion that, because the leach field is located below the existing irrigation ditch in elevation, there will not be a chance for the leach field to contaminate the irrigation ditch water. Please do not hesitate to call should you have any questions or comments regarding this matter. Sincerely, SCHMUESER GORDON MEYER, IN _Q Dan Cokley, P E. DC:lc/95128 N;' Enclosure,a cc: Scottie and Patty Nelson, w/enc. 84 Haystack Lane Snowmass CO 81654 To: Scott & Patricia Nelson / 0084 Haystack Lane 5nowmass, CO 81654 ASPEN PITKIN ENVIRONMENTAL HEALTH DEPARTMENT February 22, 2000 Re: Lot 29, Block 1 Little Elk Creek Subdivision; permit #97043 Dear Mr. & Mrs. Nelson: A permit for an individual sewage disposal system (I51)5) was issued for the above noted property on 8/11/97. This permit was required due to your desire to remodel your existing home. Without an I5D5 permit being issued, we would not have been able to sign off on your building permit to remodel your home. Your remodel has been completed and your Certificate of Occupancy (CO) is waiting to be signed. Pitkin County Environmental Health cannot sign your CO without first finaling your I5D5 permit. You must have your I505 permit finaled by June 15, 2000. The steps for finaling the permit include: installation of the system, calling Environmental Health to conduct a final inspection of the system installation, calling your engineer to conduct a final inspection of the system installation, a final letter and as -built drawing of the system being submitted by your engineer to Environmental Health. Enclosed is a copy of your ISDS permit. Our efforts to work* with you to have this system installed and bring this I505 permit to completion have failed. As was previously stated, we must be able to final your ISDS permit by June 15, 2000. If the permit is not finaled by this date, we will record a copy of this letter against your property as public notice of non-compliance. In addition, because there are public health concerns due to your lack of compliance, we may also seek injunctive relief through the courts. Should you have questions regarding this issue, please don't hesitate to contact this department. Sncerel Thomas S. Dunlop Director, Pitkin County Environmental Health Department CC: Pitkin County'Attorney Printed on Recycled PaDer 130 SOUTH GALENA STREET ASPEN, COLORADO 81611-1975 - PHONE 970.920.5070 • FAx 970.920.5197 Printed on Rec ded Paper Hr� ri■srrr ASPEN/PITKIN ENVIRONMENTAL HEALTH DEPARTMENT APPLIC,' 'ON FOR INDIVIDUAL SEWAGE DISPOSAL YSTEM 130 S. Galena St., Aspen Colorado 81611 Phone 970-920-5070/Fax 970-920-5039 Permit q?(�`{ Parcel 10# f (P 4 �Li3- ��-oar x ( ) Permit ForEmergency ' New Installation ( Repair O Remodel (1-f Use Seo Name of OWNER T L k CO �c Street Address —' Owners Mailinq Address am C--rt-i,. }c193 r �• fo t-) Business Phone: Home Phone: ++ i Legal Description: Lot Black Subdivision Ll I Ei k ✓'�-�k SG Yl - Size of lot.. UQS acres Type of proposed structure: Size of bldq. envelope: Total ar.a/living space (sq. ft): U , # of Bedrooms. offices and similar size rooms: Primary Contact Person Contact Mailing Address Water.( )Private well ( )Spring ( )Stream G-1 CommunirylPublic (Name of Is Proof of Adequate Water Attached ( Required ? ( ) Yes ( ) No ( A water quality test and well pump test or approval letter from community system) Has this project been approved by Pitkin County ? ( ) Yes ( ) No Is a copy of the floor plan attached ( Required ) ? ( ) Yes ( ) No of the site pian Yes ( ) No Application for an individual sewage disposal system is hereby submitted. I hereby certify that the above information is true and accurate and that I have provided true and accurate information on locations of all existing and proposed wells, contour intervals, buildings, property, lines, ditches. slopes, waterlines, springs, suction or irrigation lines, dunking water cstems. dram tiles, irrigation ditches. lakes, water courses„Streams, �tSdpplains, dry gulches, and existing septic systems. I acknowledge that any false or incomplete information will invalidate thea d any t rtnd ssu o he permit does not imply the approval of any other permit required for construction pursuant to Pitkin County codes. No con ruction un all apo avP haws obtained The owner assumes all responsibilities in rase of failure or inadequacy of this system. G G Signature of applicant Date O - l — l 47 ----------------------------------------------- Fardepartm8rtttisedetdw-------- ------------------------------- PERMIT FOR INDIVIDUAL SEWAGE DISPOSAL SYSTEM Design Criteria of system to be Installed ( Any changes must be submitted and approved in writing) , I / r^'� feet Perc Rate mm per inch Profile Hole Depth l J I gallons Absorption area: / sq. ft. Septic tank capacity: V417, l Y 4%: An inspection is required prior to backfill of any component of the distribution triribu tion system. Design by Engineer Required ?All ) o� AI planss and specifications of the engineer must be followed. Any changes must be approved by the Aspen/Pitkin Envirommntal HealtX(epartment in writing and the engineer must certify the final installation to the Environmental Health Department in writing. Date Permit approval by: Plans and specifications of the proposed individual se a disposal system have en reviewed and are considered satisfactory. Permission is hereby granted to the owner or the agent to perform the work indicated in accordance with the Pitkin County tSDS Regulation in effect at the time of issue. This permit becomes invaiid 6 months from the date that the permit was issued unless system construction has commenced or an extension has been approved in writing by the Department. As -Built drawings must be included with this permit before the final approval will be issued. Installer. Receipt # Site Plan Well Permit and Soils Test Date received Floor Plan Water Quality Test or 5 qi Date Into Complete Received by Comm Dev Approval `Nater System Letter t f Final Insp Requested Oats: averto 10191 Final Inspection Approval: ASPEN/PITKIN ENVIRONMENTAL HEALTH DEPARTMENT APPLICN FOR INDIVIDUAL SEWAGE DISPOSAI -YSTEM 130 S. Galena St., Aspen Colorado 81611 Phone 970-920-5070/Fax 970-920-5039 Permit # v( Parcel ID # T �4 L 3- 9 7- U G r7 Permit For New Installation ( ) Repair( Remodel (v -f Emergency Use( ) Name of OWNER .i I ASPEN/PITKIN ENVIRONMENTAL HEALTH DEPARTMENT SEPTIC SYSTEM APPLICATION CHECKLIST NOTE: SEPTIC PERMIT APPLICATIONS CANNOT BE ACCEPTED UNTIL ALL OF THE INFORMATION BELOW IS INCLUDED. The soils test and system design must be done by a Registered Professional Engineer. You should plan to meet with the RPE at your site to discuss where the soils tests should be done to meet all of the County regulations and where you want to put your house. The RPE will be your contact for issues you want to discuss about your system's size and location. The RPE should check each box to indicate the following have been submitted before the application can be accepted. 3 Completed application form QEngineer design stamped by a RPE registered in the State of Colorado. E] Site map showing locations of, or stating that the following do not exist: all existing and proposed wells within setback distances (including on surrounding properties), contour intervals, all proposed and existing buildings, property lines, ditches, slopes of greater than 15%, water lines, sprinkler systems, springs, suction (irrigation) lines, drinking water cisterns, drain tiles, irrigation ditches, lakes, ponds, water courses, streams, floodplains, floodways, dry gulches, or existing septic systems. This must include all such features on neighboring properties within setbacks. Complete building floor plans. Floor plans should be 11x17. Proof of adequate water supply: for private wells, recent well driller's pump test showing gpm actually produced, well permit showing legal supply, and test showing good quality; for community systems, proof there is adequate water for all houses served by the system; for other systems, proof of adequate quality and number of gallons/minute. Well must be drilled before septic permit can be issued. 0 Env. Health has been called to look at profile hole 0 Percolation tests (make sure to do lesser of 3 holes or one/1200 sq. ft. of field Permit fee 0 Copy of county approval (1041 approval, subdivision approval, etc.) Check if your septic system is within the building envelope and no part of the system is more than 30" above grade. If both of these conditions are not met, you must obtain written approval from Community Development before submitting this application. g:\eh\isds\isdschck Z 218 713 162 US Postal Service Receipt for Certified Mail No Insurance Coverage Provided. Do not use for, International Mail See re -1`4Y-'. to 1` Y-' . A LA ✓G -� - I w 1 I Post Office, State, & ZIP Code cc ( , J Postage Certified Fee Special Delivery Fee yX inl Restricted Delivery Fee LO ReturgAeceiptShowing to VVhOm & Date. Delivered ` R&rnAecaipt showing to Whom, 8a, & Addressee's Address < r T TAIL Postage & Fees $ 1 < P a by Date LLL/ co USPS q. a IN Complete items 1, 2, and 3. Also complete item 4 if Restricted Delivery is desired. ■ Print your name and address on the reverse so that we can return the card to you. IN Attach this card to the back of the mailpiece, or on the front if space permits. 1. Article Addressed to: -i tr. H C5. ScCm- 0oSLA Ro-A-'j s!Sia c►L L r . A. Received by (Please Print Clearly) I B. Date of Delivery ❑ Agent D. Is delivery address naln 1? ❑ Yes If YES, enter deli Q1 dress beeA❑ No 3. Service Type Z Certified Mail fail ❑ Registered ❑ Return Receipt for Merchandise ❑ Insured Mail ❑ C.O.D. 4. Restricted Delivery? (Extra Fee) ❑ 2. Article Number (Copy from servicelabel) PS Form 3811, July 1999 Domestic Return Receipt 102595-99-M-1789 UNITED STATES POSTAL SERVICE First -Class Mail Postage & Fees Paid USPS Permit No. G-10 • Sender: Please print your name, address, and ZIP+4 in this box • Aspen/Pitkin Enviwi wfieritai Health Department 130 S. Galena Aspect, CO 81611 SCNMUESER GORDON MEYER, INC. ) 19 W. Ph a supe 200 P.O. Sox 2155 Glenwood Springs, CO 81601 Aspen, CO 81612 WO) 945.1004 (970) 925.6727 FAX (970) 945-5948 FAX (970) 925-4157 wU. .Iii►�� / WE ARE SENDING YOU '`f�'jAttached ❑ Under separate cover via C Shop drawings[(`'' ❑ Prints Plans ❑ Copy of letter ❑ Change order ❑ J P -L 1`�CI�ibgcjia ®ter- �G3G��G`J Cn 1Q ur�'lt� DATE JOB Z$ ATTENTPON RE: ❑ Samples the following items: ❑ Specifications THESE ARE TRANSMITTED as checked below: ❑ For approval >or your use ❑ As requested ❑ For review and comment ❑ FORBIDS DUE REMARKS I ❑ Approved as submitted ❑ Resubmit copies for approval ❑ Approved as noted ❑ Submit copies for distribution ❑ Returned for corrections ❑ Return — corrected prints ❑ PRINTS RETURNED AFTER LOAN TO US COPY TO SIGNED: _. --t-(r kindiv notify us at once_ oiucc� scot 1"'� LM van r•6 na6--e:c TsDs ►� Spri nc), yJs tTE OF OCCUPANCY f ' �► PITKIN - EY£LOP16 E T D£PAW 5SU£D � PURSUANT' TO Tfi£ 5£CTTON 307 OF Tfl£ 1988 E ILDINEqr COD£ 1T' C£RTTFI ' £S i ACE, Tll£ STRUCTURE AS D£bc;Rl$£D PU1bVC£ WffH Till£ 1VAN NOUS DRDMMES R£CULATTNG Will r"11 - CONSTRUC77ON AND US£ E - Use Classification: Singl Building Permit: 5-30 Legal Description: Lot 2� Building Address: 0084. Owner of Building: Scott l Owner Address: 0084 F Group: R -3/U-1 Use Zone: R-30 -<'D&scription: 1,560 square bedrooms, one full bath, anc garage. i �J, k Comments &Restrictions: Chief Building .Official I v�' rel 0 L cin— rr �J Note: In all occupancies, except R. tl U - in a conspicuous place near the main which it is issued. Any alteration or u escribed premises or portion thereof without the written approval of the Building Official shall negate this C.O. and subject it to revocation. [FAX/MEMO TO: Patty Nelson Phone Fax Phone CC: IREMARKS: ❑ Urgent ❑ For your review Dear Patty, Date 10/27/99 INumber of pages including cover sheet FROM: ne � one " Gl aqui b Cr) 1 Nancy MacKenzie Aspen/Pitkin Environmental Health Dept 130 Galena Street Aspen, CO 81611 970-920-5076 970-920-5074 1P ❑ Please Comment Tom Dunlop said you had called our office a few weeks ago while on vacation regarding the pump -your -tank letter. This was an informational letter for own:.rs who had actually installed their systems. It was done as a mass mailing to everyone who was issued a septic permit in 1997 and assumed that all the systems permitted in 1997 had been installed and had been in use for 2 years and probably should be pumped. Enclosed is a copy of the permit that was issued to you on 8/11/97. No final inspection of the installation of this system has been done by this department nor by the engineer. A "Final Inspection Approval' cannot be given on this and we cannot sign off on the Certificate of Occupancy (CO). I have enclosed a copy of the sign -off sheet for the CO which indicates that Scott was last contacted by our department on 12/15/98 he said he planned to finalize the ISDS this past spring. Please call me and let me know if you are installing it this fall. Thanks, Nancy 920-5076 4lIliiW AM-, ASPEN/PITKIN ENVIRONMENTAL HEALTH DEPARTMENT ISDS DESIGN REQUIREMENTS -DEPARTMENT USE ONLY Name SAMPLE DRAFT House Size (75 gpd, 100 gpd, or 130 gpd) 100 #of Bedrooms, Similar Rooms accessible to baths in Main Residence 5 # of Bedrooms, similar rooms w/ access to bath in ATTACHED caretaker # of Bedrooms & Similar Rooms w/ access to baths in DETTACHED caretaker Average Daily Waste Flow 750 # bedrooms X 2 people/br X 75 State Review Required? no Perc Rate 30 (T) 3 equals # of Perc Holes Required Design Flo, w (Q) = # bedrooms X 2 people/bedroom X gpd X 1.75 Q= 1750 Minimum tank capacity 2188 gallons Absorption Area (A= Q/5 X SORT) A = 1917 sq. ft. of absorption area required 124 infiltrator units without reduction A maximum 30% reduction is allowed for use of deep gravel or gravelless chambered system. 1342 sq.ft. with reduction 87 infiltrator units with reduction AREA NEEDED FOR STANDARD ABSORPTION TRENCHES 639 1917 Total sq ft /3 =lineal ft of trench needed 11 639 lineal ft/assumed trench length of 60ft = # of 60ft trenches needed 10 # trenches minus 1 = rows of 6ft wide undisturbed soil between trenches 33 11 times 3 = total width of of 60" long field needed for just the trenches 60 10 times 6' = total width of 60' long field needed just for undisturbed soil 93 width of trench +width of undisturbed soil = total width needed 93 by 60 ft is the area needed for a standard absorption field in a trench configuration with no reductions taken and ASSUMING AN AVERAGE PERCOLATION RATE OF 30 SLOWER PERCOLATING SOILS WOULD REQUIRE MORE AREA. SETBACK FROM WELL SETBACK FROM POND, STREAM OR IRRIGATION DITCH # of feet = 160 # of feet = 110 SETBACK FROM DRY GULCH # of feet = 85 Remember: 8 feet of additional distance for each 100 gallons/day of design flow over 1,000 gallons/day should be added unless an RPE can verify that it is not necessary to prevent contamination. 1/20/99 Printed on Recycled Paper Tom Dunlop, 08:13 AM 10/17W, Patti Nelson ISDS X -Sender: tomd@comdev.ci.aspen.co.us Date: Tue, 12 Oct 1999 08:13:37 -0600 To: nancym@ci.aspen.co.us From: Tom Dunlop <tomd@ci.aspen.co.us> Subject: Patti Nelson ISDS nancy, please see me re Patti and Scott Nelson ISDS. they live in Little Elk Creek and got our pump -your -tank letter. They said they applied for an isds in 1997 but never got issued a permit because of red tape caused by our dept. They evidently added a room to their house and we said they needed a bigger tank and field. I am confused. thanks, TSD Thomas S. Dunlop, Director Aspen/Pitkin Environmental Health Dept. 130 S. Galena Aspen, Colo 81611 (970) 920-5073 tomd@ci.aspen.co.us Printed for nancy mackenzie <nancym@ci.aspen.co.us> Permit # 7 ! Z) Lt Permit For: New Installation Name of OWNER Street Address Owner's Mailing Addr/e+(s's RIICIn P.SS PhonP.: 1 L ASPEN/P N ENVIRONMENTAL HEALTH DEPARTMF"T APPLICATIL,". FOR INDIVIDUAL SEWAGE DISPOSAL S'y -'M 130 S. Galena St., Aspen Colorado 81611 rtPhone 970-920-5070/Fax 970-920-5039 i Parcel ID # y �%� — y L -3, - 0 f) -- (0 G (7 Repair( Remodel (v - Emergency Use( ) c— n'l 4e Gf Legal Description: Lot 1pf, `l Block i Size of lot: �G5 acres Type of proposed structure: Total area/livinq space (sq. ft): i Ur lT 9 ,Subdivision 6 Size of bldg. envelope: # of Bedrooms, offices and similar size rooms: Primary Contact Person �[ -4/, lo- 1' Contact Mailing Address t) O Ll t4c, S E.0 Ir -1"1• C�jrBusiness Phone Cell Phone: - / - r C1 3 Fax I " Water:( )Private well ( )Spring ( )Stream (-) Community/Public (Name of in ; " Is Proof of Adequate Water Attached ( Required) ? ( ) Yes ( ) No ( A water quality test and well pump test or approval letter from community system) Has this project been approved by Pitkin County ? ( ) Yes ( ) No Is a copy of the floor plan attached ( Required ) ? ( ) Yes ( ) No Is a copy of the site plan attached (Required) ? ( ) Yes ( ) No Application for an individual sewage disposal system is hereby submitted. I hereby certify that the above information is true and accurate and that I have provided true and accurate information on locations of all existing and proposed wells, contour intervals, buildings, property lines, ditches, slopes, waterlines, springs, suction or irrigation lines, drinking water cisterns, drain tiles, irrigation ditches, lakes, water courses, reams, alns, dry gulches, and existing septic systems. I acknowledge that any false or ncomplete information will invalidate the appttCaTbts and any**t ermit ssu o e permit does not imply the approval of any other permit required for construction pursuant to Pitkin County codes. No con ruction un all a o2t�ltdiy3 btained. The owner assumes all responsibilities in case of failure or inadequacy of this system. Signature of applicant C�7 . �N \ Date ------------------------------------------------ Fordedl�8rtmertt-Usebelow ------------------------------------------------ PFRMIT FOR INDIVIDUAL SEWAGE DISPOSAL SYSTEM Pero Rate min per inch Profile Hole Depth Septic tank capacity: a+ pp o gallons Absorption area: r� �kL,�'N�liti2EN G�f4G.(.r.> t`� �4G2-,�G"-t�C`>��" ji `T�}�L L�Ly�v�eC Gu'7n.C{.t..y�j r/ feet e sq. ft. An inspection is required prior to backfill of any component of the distribution system. Design by Engineer Required ? ( Yes ( ) No All plans and specifications of the engineer must be followed. Any changes must be approved by the Aspen/Pitkin Envirommntal Healt epartment in writing and the engineer must certify the final installation to the Environmental Health Department in writing. Permit approval by: Date ,1 Plans and specifications of the proposed individual se J. disposal system have J.n reviewed and are considered satisfactory. Permission is hereby granted to the owner or the agent to perform the work indicated in accordance with the Pitkin County ISDS Regulation in effect at the time of issue. This permit becomes invalid 6 months from the date that the permit was issued unless system construction has commenced or an extension has been approved in writing by the Department. As -Built drawings must be included with this permit before the final approval will be issued. Installer: Receipt # Date received Received by Final Inspection Approval: Site Plan Well Permit and I Soils Test Floor Plan Water Quality Test or Date Info Complete Comm Dev Approval Water System Letter Final Insp Requested Date: APEHD 10/96 . r r r r r r / / 0.0 r // r r r r / TRA46FORMER .001.01/ / r/ 100, o r / OTE / r, / P\v 10,,000, 010� 0010 / r m 0 /// t, a N'e N t 1000, r / r ,. / �% / / / 100,0001 SCALE:• 1 "= ,20' ABSORP77ON BED MAY BE FIELD ADJUS7FD AND DIMENSIONS ALTERED TO BEST FIT THE SITU PROVIDED; ALL SETBACKS ARE MET, THE REOUIRED AREA IS CONS7RUCTED, AND ENGINEER AND PITKIN COUNTY ARE NO70ED PRIOR TO ADJUSTMEN7S CONTOUR BED TO PROVIDE ADEQUA TF DRAINAGE EXISTING AND FINISHED GRADE-, OFF OF AND AWA Y FROM ABSORPTION BED NATIVE BACKFILL HIGH CAPACITY INFILTRATOR UNIT 12" MIN. TOPSOIL---� D. ;as ;vECEss .. 3 TYP.. /� ;`�/ i� %/� `�,; �\/i`; //�.. ��. �\/ i ; //� ��* /\%//� I',. , �/�i� //••. %� / i� �!,\ .. �t ��/ %``�, �� t / � ~ice. i/ t. ��,� 30' INFIL TRA TOR UNITS TO BE CONNECTED FROM' COMMON HEADER PIPE INSTALLED LEVEL FOR SCARIFY BOTTOM OF BED GROUNDWATER DEPTH AT 5, WIDTH OF ABSORPTION BED. (4" ASTM 2729) TO BE LEVEL -E0.1' DEPTH OF FIELD TO BE -612': GROUNDWATER DEPTH TO VERIFIED BELS" SEC TION FIELDMTOOBE ELEVATEDTIWTH SAND AS NECESSARY TO PROVIDE 4 N. T. S. SEPARA TION FROM GROUND WA TER PLUG NOTE.- CLEANOUT TO BE LOCATED A T ALL HORIZONTAL AND OR VER77CAL CHANGES IN D RECTION FLOW -0 EXCA VA TF EXIS77NG LEACHFIELD AREA AS FOLLOWS.• 1. REMOVE ALL GRAVEL, PIPING, AND OTHER MA7FRIALS 7HAT ARE PART OF EAIS77NG LEACHFIELO 2. CON77NUE EXCA VA 77ON 70 A TOTAL DEPTH OF 241 J. ALL EXCA VA 7ED MATERIAL TO BE HAULED AWAY AS PER PITKIN COUNTY ENVIRONMENTAL HEALTH DEPAR7MENT. 10' PROPERTY LINE SETBACK 15 MIP CIRCUIT BREAKER FDR PUMP 45 PVC WYE OR ELBOW CLEAN-OUT DETAIL �? PLCA ALARk CONTROL - SJ IIECTRO MOM ! JB10-5 PW 80X l / "_•� /f6-3 CONDUCR7R CORD 7O PUMP �f4-2 CONOUCT77IP txBLE FOR ALARM COWIROL ` REQ '�usE #f2�s �Ducro'�Wj/cti+ouNOD �ovFR sa' `'--m a�aRM fzaar MWM CM10JIAMS f+r71R Al. W SW # A* -/ UM C+ANM ALLOW EXTRA GAUGE ON POWER & ALARM C46a$ 45 PVC ELBOW -r ---- FLOW 4- TEE (REMOVE FOR INSPECTION) 12" MIN. COVER NOTE.' INSTALL INFILTRATOR PER MANUFACTURER'S REQUIREMENTS AND/OR RECOMMENDATIONS. DESIGN CALCULATIONS NELSON I.S.D.S. PITKIN COUNTY, COLORADO 1. DESIGN PERCOLATION RATE (NATIVE) = 30 MINUTES/INCH 2. DESIGN CRITERIA: 5 BEDROOM HOME 2 PERSONS PER BEDROOM 100 GALLONS PER PERSON PER DAY 3. DETERMINE AVERAGE & PK DAILY FLOW: Qavg = (3)(2 100) = 1000 GALLONS PER DAY Qpk = 1.75(3)(2)(100) = 1750 GALLONS PER DAY 5. SEPTIC TANK CAPACITY: Vtonk = (1750 GPD)(1.25D) = 2187.5 GAL => USE 2500 GALLON TANK 6. SIZE ABSORPTION AREA: A = 1.75(Q) * SQRT(t) WHERE: Q= DESIGN FLOW 5 A= ABSORPTION AREA t = PERCOLATION RATE A = 1.75(1000) * SQRT(30) = 1917 S.F. (NATIVE MATERIAL) A = 1.75(1000 = 1842 S.F. (SAND MATERIAL) 0.95 THE ABOVE ABSORPTION AREA REPRESENTS THE AREA NECESSARY FOR A BED TYPE SYSTEM. 7. ADJUSTMENTS TO ABSORPTION AREA: FOR INFILTRATOR BED: ALLOW 30% REDUCTION IN AREA REDUCE AREA TO 15.5 S.F/UNIT 8. FOR USE OF BED TYPE SYSTEM: A = 1917 * 0.7 = 1341.9 SQ. FT. UNITS = 1341.9 S.F. / 15.5 S.F. PER UNIT = 87 UNITS GRADE 4" PVC P NATIVE MATERIALS B07TOM OF BED N. T.S. NATIVE MATERIAL NATIVE BACKFILL 4" NO HUB COUPLING INFIL TRA OR k N GENERAL NOTES. 1. A# materials, installation practices, setback requirements, etc., shall comply with the Pitkin County Individual Sewage Disposal System Regulations. 2. Piping to system shall be standard sewer pipe, ASTM 2729 Sewer & Drain Leachfield Pipe. (use ASTM 3034 or better in traffic areas) J. The area disturbed by construction shall be reseeded with native grasses to prevent erosion. 4. Use risers as needed to bring septic tank access hatch within 6" of finished grade. 5. ASTM 3034 pvc pipe or other pipe properly supported to prevent failure by settling shall extend from tank for a distance of at least five feet (5� from the inlet and outlet ends. 6. The following preventative maintenance schedule is recommended to prolong the life of the system: a) Pump septic tanks at least once a year. b) Check plumbing fixtures on a regular basis and repair all leaks which can add substantial amounts of water to the system. 7. The Contractor and Owner shall take whatever measures are necessary to assure that a) the septic tank and sewer lines are completely water tight to prevent infiltration of groundwater into the system, and b) the system is installed to prevent freezing of gravity sewer lines. 8. The Pitkin County Environmental Health Department and the Engineer shall be notified when construction commences and kept abreast of the construction progress so that sufficient inspection con be performed to assure conformance with these plans. Provide a minimum of 48 hours notice to each. 9. Site map provided by Owner. 10. If number of bedrooms or persons per bedroom varies from design assumption used to calculate flow, contact engineer prior to installation. trsE 1 1/2" SCN 80 PVC PIPE i 20" AND D&0. RISER P/pE C/ AW �yOy e� fJ7T7NGS FOR PUMP &TANK PIPING Q�NNEC710N BO AX PUMPING TANK TANKS & HOWE 24" Oft AM PIPE 2' CLA.£S 160 PW PIPE r Aft+ -fit -!y:., W aM SLOPE 70 MW 84CK 7O TANK WASTE UNE FROM N011SE 344 E _ C1 PIPE 7o SOW GROUND CONNECTS TO HOUSE VENT SYSTEM M FT- OR1LL 114-014 NIXE CI PAPE BE7IYEFN " p(AMp q� IN 80TTOM OF ME TANKS It NO(/SE 2M/N W ALMr # PLUS 4' PVC SLOPE O 1/4' PER FT SMEM FLOAT (BY SJ ELECTRO SMEW) SWM LAM SUSAIER &E CONCRETE SEP71C TANK / GRouT ExesnNG NotE OnUEN7 PMP (BY HYAWAMW) CONCRETE SEPTIC TANK / WTAU 4 OR HOLE 8' ABOVE TAW BOTTOM 8' COAO?M BLOCK US -0 AS DOSING TANK TYPICA INSTALLATION OF TANKS,PUMP & CONTROLS ALM 45 PVC ELBOW -r ---- FLOW 4- TEE (REMOVE FOR INSPECTION) 12" MIN. COVER NOTE.' INSTALL INFILTRATOR PER MANUFACTURER'S REQUIREMENTS AND/OR RECOMMENDATIONS. DESIGN CALCULATIONS NELSON I.S.D.S. PITKIN COUNTY, COLORADO 1. DESIGN PERCOLATION RATE (NATIVE) = 30 MINUTES/INCH 2. DESIGN CRITERIA: 5 BEDROOM HOME 2 PERSONS PER BEDROOM 100 GALLONS PER PERSON PER DAY 3. DETERMINE AVERAGE & PK DAILY FLOW: Qavg = (3)(2 100) = 1000 GALLONS PER DAY Qpk = 1.75(3)(2)(100) = 1750 GALLONS PER DAY 5. SEPTIC TANK CAPACITY: Vtonk = (1750 GPD)(1.25D) = 2187.5 GAL => USE 2500 GALLON TANK 6. SIZE ABSORPTION AREA: A = 1.75(Q) * SQRT(t) WHERE: Q= DESIGN FLOW 5 A= ABSORPTION AREA t = PERCOLATION RATE A = 1.75(1000) * SQRT(30) = 1917 S.F. (NATIVE MATERIAL) A = 1.75(1000 = 1842 S.F. (SAND MATERIAL) 0.95 THE ABOVE ABSORPTION AREA REPRESENTS THE AREA NECESSARY FOR A BED TYPE SYSTEM. 7. ADJUSTMENTS TO ABSORPTION AREA: FOR INFILTRATOR BED: ALLOW 30% REDUCTION IN AREA REDUCE AREA TO 15.5 S.F/UNIT 8. FOR USE OF BED TYPE SYSTEM: A = 1917 * 0.7 = 1341.9 SQ. FT. UNITS = 1341.9 S.F. / 15.5 S.F. PER UNIT = 87 UNITS GRADE 4" PVC P NATIVE MATERIALS B07TOM OF BED N. T.S. NATIVE MATERIAL NATIVE BACKFILL 4" NO HUB COUPLING INFIL TRA OR k N GENERAL NOTES. 1. A# materials, installation practices, setback requirements, etc., shall comply with the Pitkin County Individual Sewage Disposal System Regulations. 2. Piping to system shall be standard sewer pipe, ASTM 2729 Sewer & Drain Leachfield Pipe. (use ASTM 3034 or better in traffic areas) J. The area disturbed by construction shall be reseeded with native grasses to prevent erosion. 4. Use risers as needed to bring septic tank access hatch within 6" of finished grade. 5. ASTM 3034 pvc pipe or other pipe properly supported to prevent failure by settling shall extend from tank for a distance of at least five feet (5� from the inlet and outlet ends. 6. The following preventative maintenance schedule is recommended to prolong the life of the system: a) Pump septic tanks at least once a year. b) Check plumbing fixtures on a regular basis and repair all leaks which can add substantial amounts of water to the system. 7. The Contractor and Owner shall take whatever measures are necessary to assure that a) the septic tank and sewer lines are completely water tight to prevent infiltration of groundwater into the system, and b) the system is installed to prevent freezing of gravity sewer lines. 8. The Pitkin County Environmental Health Department and the Engineer shall be notified when construction commences and kept abreast of the construction progress so that sufficient inspection con be performed to assure conformance with these plans. Provide a minimum of 48 hours notice to each. 9. Site map provided by Owner. 10. If number of bedrooms or persons per bedroom varies from design assumption used to calculate flow, contact engineer prior to installation.