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HomeMy WebLinkAboutO'BRIEN Block 3 Lots 6 & 7 Hay 6, 1969 PHONE 272-342B John L. Gore Spruce Park Trailer Court 7100 Lake Otis Parkway Anchorage, Alaska 99502 W.0.9605 SUBJECT: Percolation Tests Performed on Lots 6 and 7, Block 3, O'Brien Subdivision Dear Sir: The subject tests were performed on 3 May 1969. The results appear on Sheets 2 of 3 and 3 of 3 attached. Very truly yours ALASKA TESTLAB Step,ten Sklut6~ Staff Engineer Attachments SS:ld Olient .r ~Y2__d~ ? FHA No, Location, Lot 7 A LA S K A T E S T L A B 1940 Post Road Anchorage, Alaska .... Block Depth . Soil Glass Fee t Visual - Unified _ T. ti. No. / Tech.. .,Subdivision PERGOI. AT!ON TEST IW\TA Sheet---/-- of ~ Location Sketch P, eading Date 10 GROSS Net Time Depth to N20 Net Drop ,(2 /P Percolation P~te -1-"-/ h,'iipute,, FHA No. I~cation~ lot .... ,Block A L A S K A T E S T L A B Sheet 1940 Post Road we No .... v?.~ .... Anchorage, Ale ska Date _..r//. ~!:t~,,'_ -' %c -~,,.- De pth }'ce t PERGO!ATiON TEST DATA Soil G]ass Visual - Unified Location Sketch Reading Date Gross Time Net Time Depth to !-I20 Net Drop /:: 0 ': 6 9 10 Percolation,'°,c,. ..... t~' ].~r~ ......... aA~-~ N'limttc. FttA Location, lot ~ ,Block ALASKA TE ST LAB 1940 Post Road Anchorage, Alaska _ .T.H. No. ., Subdivision She. et WO No. Date De pth Feet Soil Class Visual - Unified Location Sketch ReadJ. ng Date Gross Time Net Time Dapth to H20 Net Drop i 1] P~rco]ation ?,ate --l~___ ~:. T __ Minute. CONSTRUCTION SPECIFICATIONS FOR ADDITIONS TO SPRUCE PARK TRAILE_R_~C__O_U~R.T~ AHCHORAGE, ALASKA Mr. & Mrs. John Gore Ow n e rs 1969 Prepared By Adams, Corthell, Lee, Wince & Associates 503 East Sixth Avenue Anchorage, Alaska May 1969 COIISTRUCTI ON SPECIFICATIONS GENERAL: All materials shall be of types shown on the plans and shall conform to these specifications. All workmanship shall be according to good practices of each trade. Safety precautions shall be observed to prevent hazards to property, life, or equipment, through caving earth, electrical lines, flooding, fire~ traffic, and other potential causes. The site shall be kept free of accumulations of trash or debris from the work. Upon completion of the construction, the site shall be left in a neat and clean condition, graded to drain to established channels. WATER LINES A. Materials: 1. Galvanized Pipe shall be galvanized steel pipe conforming to ASTM Specification A 120-68a; or aalvanized wrought iron pipe conforming to ASTM SPecification A~2-68, standard weight. Joints shall be threaded, and threaded couplings with hIPS threads shall be provided. 2. Copper, Pipe shall be flexible seamless pipe, Type "K", conforming to ASTM Specification B88-66. Joints shall be of the soldered fitting type, with threaded adaptors for connection to other pipe types. 3. Valves. Gate valves shall be brass body bronze faced gate valves, pressure tested at 250 psi. Service valves shall be Mueller Co. #H-10202 or anproved equal. B. Construction: The trench shall be excavated to the depth shown on the plans and as staked. Galvanized pipe shall be installed by screwino the joints tight with suitable pipe wrenches. Approved pipe joint compound or white lead shall be applied to all male threads only prior to assembling tile joint. Changes in mrade or alignment of galvanized pipe shall be accomplished with fittings, and not by bending the pipe. Copper pipe shall be instal]ed by laying it in the trench and assembling the joints. Threaded fittings shall be screwed onto their mating fittings before soldering. All pipes shall be assembled at a joint before that joint is soldered, and the entire joint shall be soldered at one time. Before backfilling, all newly installed water lines shall be tested for leaks by filling the lines with water and examining them under normal system pressure. C. Disinfection: After testing, and after all leaks are corrected, the newly installed water lines shall be disinfected by filling with a water solution containing not less than fifty parts per million of available chlorine. The solution shall be retained in the lines for a period of eight hours, and then thoroughly flushed from the system. SEWER LINES A. Materials: 1. Asbestos-Cement Pipe shall conform to ASTM Specification C-428, Class 1500. Couplings shall be of the push-on type or the hubless coupling type. 2. Cast Iron Pip~ shall conform to the Cast Iron Soil Pipe Instit[lte Standard 301-68T. Joints shall be made with "l,lo couplings. Construction: The trench shall be excavated to the depth shown on the plans and staked in the field. The pipe shall be laid in the trench and adjusted accurately to grade by shoveling out or placing sand under the pipe to raise or lower it. A depression 'in the bottom of the trench shall be left at the joints, and the joints shall be coupled timhtly. Each length of pipe shall be adjusted to line and grade ~efore the next length is installed. The maximum deviations from established line and grade shall be: Line ± 0.1 foot Grade ± 0.05 foot The sewer lines shall be backfilled by shoveling approximately eight inches of sandy soil over and around the pipe by hand. The remainder of the backfill shall be placed and compacted by machine methods. - 2 - SEWAGE DISPOSAL SYSTEM MATERIALS: 1. Septic Tank shall be an approved steel or concrete tank of 1,500 gallons rated capacity. The tank shall conform to the regulations of the State of Alaska and the Greater Anchorage Area Borough Health Department, and shall be manufactured and/or supplied by a firm whose products have been approved by the Borough Health Department. The capacity shall be actual liquid capacity at design liquid level. The tank shall be equipped with an access pipe for pumping out the contents. 2. Seepage Pit shall be constructed of spruce logs of six-inch minimum tip diameter. The logs shall be sound and free from rot or injury defects. The logs shall be native spruce, recently cut, of ten feet minimum length. The logs shall be notched for jointing, to produce approximately one inch spaces between logs. CONSTRUCTI OH: The pits for the septic tank and seepage pit shall be excavated to full depth, with level bottoms. All large rocks shall be removed from the s-eptic tank excavation, and the bottom of the excavation shall be prepared by selecting and placinq a layer of sandy soil. The tank shall be set in place, leve~ed and adjusted to grade. It shall be backfilled by placing soil in layers and carefully compacting it. The cleanout pipe shall be cut off approximately eighteen inches above finish qrade, and capped. Care shall be exercised to avoid getting rocks or sand into the tank during installation. The seepage pit shall be constructed by notching and installing the logs. A thin layer of pebbles and small stones shall be spread on the bottom of the pit. After the top is on the pit and the influent pipe is installed, the pit shall be backfilled with clean gravel and sand only. If suitable soil is not available on the site, clean gravel shall be imported. A cleanout pipe shall be installed and capped, at approximately eighteen inches above finish grade.