N I T

Item No.1 A:-Excavation for foundation/pipe trenches in earth, soil so fall types, sand, gravel and soft murum, Including removing the excavated material upto a distance of 50 metres and lifts as below, stacking and spreading as directed, normal dewatering, preparing the bed for foundation and excluding back filling, etc.

Item No.18: Excavation for foundation/pipe trenches In hard murum Including removing the excavated material upto a distance of 50 metres and lifts as below, stacking and spreading as directed, normal dewatering. preparing the bed for foundation and excluding back

Item No.1 C:-Excavation for foundation/pipe trenches in boulders, W.B.M. road, including removing the excavated material upto a distance of 50 metres and lifts as below, stacking and spreading as directed, normal dewatering, preparing the bed for foundation and excluding back filling, etc. complete

Item No.2: 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 levied by Gol 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. 300 mm dia. RCC NP II class pipe

Item No.3 Lowering, laying and jointing in proper grade and alignment RCC pipes with collar joints in CAM 1:1 proportion or socketed RCC pipes with rubber joints (excluding cost of rubber ring or BCC collar), including cost of conveyance from stores to site of works, cost of jointing material, latiour, giving hydraulic testing, etc Complete es diuncted by Engineer in charge et per 785-1985 300 mm dia. RCC NP II class pipe Basic Rate + 10% for hilly area) (MJP SSR 2023-24, P-128, 1-2B)

Item No.4: Hydraulic testing of RCC pipe line to specified pressure Including cost of all materials and labour and water for testing for specified length including cutting, placing end cap making arrangement for filling safe water using reciprocating type pumps which should be able to provide specified test pressure gauges and other necessary equipments, labour, operation charges, etc. required for testing. The rate under this item shall also include cost of retesting, if necessary and reinstating to original position. 300 mm dia. RCC NP II class pipe Basic Rate + 10% for hilly area) (MJP SSR 2023-24, P-128, 1-2B)

Item No.5:-Providing and constructing B.B. masonry valve chamber with 15 cm thick 1:3:6 proportion PCC bedding,excludingexcavation, B.B.masonry in CM1:5 proportion precast RCC frame and cover, etc. complete as directed by Engineer-in-charge. Clear internal size of chamber -0.6 x 0.45 x 0.90 m

Item No.6: 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.

PCC M-150 for encasing of pipe line

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