cosnt of RCC Pipe Gutter in V P Area Dhaigaon Tal Karmala

Item No. 1 :- Excavation for foundation / pipe trenches in earth soils of all types, sand, gravel and soft murum, including removing the excavated material up to a distance of 50 meters and lifts as below, stacking and spreading as directed, normal dewatering, preparing the bed for foundation and excluding backfilling, etc. complete (lift 0 to 1.5 M)

Item No. 2 :- Excavation for foundation / pipe trenches in hard murum including removing the excavated material up to a distance of 50M and lifts as below, stacking and spreading as directed by Engineer-in-charge, normal dewatering, preparing the bed for foundation and excluding backfilling, etc. complete.(lift 0 to 1.5M)

Item No. 3 :- Excavation for foundation / pipe trenches in soft rock and old cement and lime masonry foundation asphalt road including removing the excavated material up to a distance of 50 meters and lifts as below, stacking and spreading as directed by Engineer-in-charge, normal dewatering, preparing the bed for foundation and excluding backfilling, etc. complete (lift upto 0 to 1.5 M)

Item No. 4 :- Filling in plinth and floors murum bedding in trenches with approved murum from excavated materials from foundation 15cm to 20cm layers including watering and compaction complete.

Item No. 5 :- Providing & supplying ISI standard R.C.C.pipes in standard lengths of following class and diameter suitable for either collar joints or rubber ring joints, including all taxes (Central and local), inspection charges, transport to departmental stores/site, unloading and stacking etc 300 mm dia. RCC pipe class NP-II (2.0 M Length)

Item No. 6 :- Lowering, laying and jointing in proper grade and alignment R.C.C. pipes with collar joints in C.M.1:1 proportion or socketed R.C.C. pipes with rubber joints (excluding cost of rubber ring or R.C.C. collar,) including cost of conveyance from stores to site of work, cost of jointing material, labour, giving hydraulic testing etc. complete as directed by Engineer-in-charge (For all class of Ipines) Collar Joints . 300 mm dia. RCC pipe class NP-II (2.0 M Length)

Item No. 7:- Valve Chamber with Precast RCC Covers Providing and constructing B.B. masonry valve chamber with 15 cm thick 1:3:6 proportion PCC bedding, excluding excavation,B.B.masonry in CM1:5 proportion precast RCC frame and cover, etc. complete as directed byEngineer-in-charge.As above of 60 x 45 cm internal size and depth upto 0.9m

Item No.8:- Refilling the trenches with available excavated stuff with soft material first over pipeline and then hard material in 15 cm layers with all leads and lifts including consolidation, surcharging etc. complete.

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