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389 Septic Permit & Design CHECK OR FILL IN WHERE APPLICABLE THE COMMONWEALTH OF MASSACHUSETTS BOARD OF HEALTH City Op Northampton FEN...tt 0 lirtttion for Uispoottl Marko Cnonwtrurtion Permit Application is hereby made for a Permit to Construct (X ) or Repair ( ) an Individual Sewage Disposal ;stem at: 3 Ct Audubon Road Location Address Type of Building Dwelling—Na of Bedrooms 4 Expansion Attic ( ) Garbage Grinder (X ) Other—Type of Building No. of persons Showers ( ) — Cafeteria ( ) Other fixtures 4 4 0 Design Flow 5.5 gallons per person per day. Total daily flow gallons. Septic Tank—Liquid capacity15fDgallons Length Width Diameter Depth Disposal Trench—No Width Total Length Total leaching area sq. ft. Seepage Pit No 2 Diameter Depth below inlet....Z. 5. Total leaching-area- sq-ft Other Distribution box ( ) Dosing tank ( ) capacity - 764 GPD Percolation Test Results Performed by RPB lluntLey,.Assoc Date_.5{1-7.f-7.7 Test Pit No. I.....i...0.minutes per inch Depth of Test Pit.4.:.0" Depth to ground water Test Pit No. 2 minutes per inch Depth of Test Pit Depth to ground water .f f Lot "A" or Lot No. Address Address Size Lot 3 • 282 AC S-q-{ect Description of Soil 6" 0.TS...'.1!.6" silt.....8..'.Il" silt.,...sand- and Nature of Repairs or Alterations—Answer when applicable Agreement: The undersigned agrees to install the aforedescribed Individual Sewage Disposal System in accordance with the provisions of TITLE 5 of the State Sanitary Code— The undersigned further agrees not to place the system in operation until a Certificate of Compliant has j5en issued by the board of health.1) d 71212-a ignecti Application Approved By . - - G/ Application Disapproved for the follow reasons PROPOSED DOMESTIC SUBSURFACE DISPOSAL SYSTEM DESIGN Prepared For: - JO 4 fiOV STb n Locat ion:lOT A f AVO CISOn £OOd N 'TOn Number of Bedrooms: 4 Garbage Disposal: Ye, LEACH AREA DESIGN 4 Bedrooms x 2 persons/bedroom = 8 persons 8 Persons x 55 gallons of wastewater/person/day = 440 total gallons of wastewater/day. Percolation Rate: 7- o min/inch Gallon of wastewater/square feet of leach area for a Percolation Rate of: 7. 0 min/inch = /- 4/5'Gal/SF Sidewall Area = O . 7 Gal/SF Bottom Area * If a leach bed is to be installed, no sidewall is allowed. * If percolation rate exceeds 20 min/inch, no bottom area is allowed. - SEPTIC TANK - * WITHOUT GARBAGE DISPOSAL: Gallons of wastewater/day x 150% = REQUIRED effective liquid capacity of septic tank. RECOMMENDED: Septic Tank * In no case will the septic tank be less than 1,000 gallons (effective liquid capacit ** WITH GARBAGE DISPOSAL: C/GLO Gallons of wastewatet/day x 200% = 8 SO REQUIRED effective liquid capacity of septic tank. RECOMMENDED: /S-00 Septic Tank ** In no case will the septic tank be less than 1, 500 gallons (effective liquid e rco 4i '\Tr PV IR e• 1.CC(TC7ATFC IV - c, LEACHING PIT DESIGN ti V ' // i„ ' Wide x ' Effective Depth Precast Pit Used: Jam. ' Long x / ' �C' p Using S ` of stone all around and 0-Y ' of stone under pit. SIDEWALL AREA: /e ' Long x 2 • s ' Effective Depth x 2 Sides = 90 SF ' Wide x 2•1 ' Effective Depth x 2 Sides = bS SF Total of /SS SF (Sidewall Area) x /• i/S' Gal/SF = a z S Gal/Pit (Sidewall) BOTTOM AREA: 18 ' Long x /3 ' Wide = 234 SF 134 SF (Bottom Area) x 047 Gal/SF = /s7 Gal/Pit (Bottom) tar Gal/Pit (Sidewall) * 6.7 Gal/Pit (Bottom) - 392 TOTAL Gal/Pit (Designed) * Without Garbage Disposal: Total Gal/Day (REQUIRED) L{41O Gal/Day (Daily Flow) = 4400 Gal/Pit * With Garbage Disposal: 1.5 x (REQUIRED) • Pit(s) Using (060 Gal/Day (Daily Flow) ; 5 52. Gal/Pit = ALMER HUNTLEY, JR., ‘Sr ASSOCIATES, INC. i-. Y cc ' LO T h • A./A= J fl/CR/N5OA/ 3 282 - cv r • / �— i LOC.07/ON ri i,. /500 641 SEPT/C TANK i / / �o. k' r. / / Aa . / too APPROX. WATER RESERVE AREA b SERY/CE 1 P - 7S0 6AL G E.ICH/NG P?,S ------ / r..,.. Wirt 4•-O" OF STONE .OLL - AROUNO ,ONO 0= G" OF STONE /N UNOOR /L _.I ? �• izv s Per , - . U U n ALILiIIFfd;ti/ ,goAO ..