REMEDIAL ACTION WORK PLAN OPERABLE UNIT 2, LANDFILL ...

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1.3.2 Submit manufacturer’s data sheets, (HO).
1.4 QUALITY ASSURANCE
Perform work in accordance with Monterey County Department of Health regulations.
Variances from the regulations will be negotiated in advance and documented in writing.
PART 2 PRODUCTS
2.1 LANDFILL GAS VENTS
2,1 Pipes: HDPE, ASTM D2447, SDR 11.
2.2 Screened section: HDPE, SDR 11 machine slotted, 0.02-inch slots.
2.2 MONITORING PROBES
2.1.1 Pipes: PVC to ASTM D3034, Schedule 40, flush threaded.
2.1.2 Screened section: PVC, machine slotted, 0.02-inch slots.
2.3 SEALING MATERIALS
2.3.1
2.3.2
2.3.3
2.3.4
2.3.5
Clean sand with the following gradations:
Sieve Size Percent Passing
# 3/8 100-1oo
#3 87-99
# 114 81-9S
#4 18-62
#6 o-5
Bentonite: 3/8-inch pellets.
Cement-Bentonite Grout: One sack of Type II Portland cement (94 pound
sack) and 3 to 5 percent bentonite powder for each
4-1/2 to 6-1/2 gallons of clean water.
Pea Gravel: 1/4 - 3/8-inc~ washed.
Bentonite Sluny
SJ/5-14-96/SACTERC/lTORDCIUmn6W 02686-2 Landfill Gas Vents and
Monitoring Probes