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| 1 | Item No.1 :- Excavation for foundation / pipe trenches in earth , soils of all types , sand , gravel , soft murum , hard murum , hard murum and boulders ,includingremoving the excavated material upto a distance of 50 mtrs.beyond the area and lifts as below , stacking as directed by Engineer - in - charge , normal dewatering ,excluding backfilling , etc. complete by all means. |
| 2 | Item No.2 :- Excavation for foundation / pipe trenches in earth , soils of all types , sand , gravel , soft murum , hard murum , hard murum and boulders ,includingremoving the excavated material upto a distance of 50 mtrs.beyond the area and lifts as below , stacking as directed by Engineer - in - charge , normal dewatering ,excluding backfilling , etc. complete by all means. |
| 3 | Item No3 :- Filling in plinth and floors murum bedding in trenches with approved murum from excavated materials from foundation in 15 cm to 20 cm layers including watering and compaction , etc. complete. |
| 4 | Item No.4 :- Providing ISI standard RCC pipes in standard lengths of following class and diameter suitable for either collar joints or rubber ring joints , including all statutary duties and taxes such as GST leviedby GoI and GoM in all respect , inspection charges, transport to departmental stores / site , unloading and stacking , etc. complete as per IS -458/1988. Note - One collar should be supplied with each full length plain ended RCC pipe , cost including in rates below. One rubber ring should be supplied with each full length of socketed pipe , cost including in rates below. 600mm dia. RCC NP II class pipe |
| 5 | 450mm dia. RCC NP II class pipe |
| 6 | 300mm dia. RCC NP II class pipe |
| 7 | Item No.5 :- Lowering , laying and jointing in proper grade and alignment RCC pipes with collar joints in CM 1:1 proportion or socketed RCC pipes with rubber joints ( excluding cost of rubber ring or RCC collar ) , including cost of conveyance from stores to site of works , cost of jointing material , labour , giving hydraulic testing , etc. complete as directed by Engineer - in - charge as per IS 783-1985.600mm dia. RCC NP II class pipe |
| 8 | 450mm dia. RCC NP II class pipe |
| 9 | 300mm dia. RCC NP II class pipe |
| 10 | Item No.5 :- Providing and constructing B.B. masonry valve chamber with 15cm thick 1:3:6 proportion PCC bedding , excluding excavation , B.B. masonry in CM 1:5 proportion precast R C C . frame and cover , etc. complete as directed by Engineer - in - charge.Chamber of clear internal size 60 x 45 x 90 cm |
| 11 | Item No.7 :- Providing and constructing B.B. masonry circular manhole without conical shape excluding excavation, RCC 1:2:4 proportion, 20 cm bedding brick masonry in CM 1:4 proportion, 23 cm thick for 2 M depth from top 35 cm thick for 2 M below it and 45 cm thick for balance depth, RCC slab at top and at 2 M depth from top for supporting brick masonry above it, plastering with smooth finish in CM 1:2 proportion, C.C. 1:2:4 finishing channels in smooth rendering, providing C.I. dapuri type steps each weighing 5.5 kg., providing and fixing S.F.R.C. frame and co ver of 56 cm dia. at top including cost of all materials and labour, etc. complete.Circular manhole of size 1.00 m dia. d=1.00 m |
| 12 | Item No. 8 :- Providing and laying in situ cement concrete M-150 of trap / granite / qurtzite / gneiss metal for foundation and bedding including bailing out water , form work , compaction , curing , etc. complete. PCC M - 150 for encasing of pipe line |
| 13 | Item No.9 :- Refilling the trenches with available excavated stuff with soft material first over pipe line and then hard material in 15 cm layers with all leads and lifts including consolidation , surcharging , etc. complete . |
