N I T /R W S

Item No.1: Excavation for foundation / pipe trenches in earth, soil of all types, sand, gravel and soft murum including removing the excavated material upto a distance of 50 M and lift upto 1.5 M, stacking and spreading as directed. Dewatering, showring and strutting, preparing the bed for the foundation etc. complete.

Item No.2: Excavation for foundation / pipe trenches in soft rock and old foundation and lime masonry foundation, asphalt road including removing the excavated material upto a distance of 50 M with lift upto 1.5 M stacking as directed dewatering, showring, structing, preparing the bed for the foundation and excluding back filling etc. complete.

Item No.3: Excavation for foundation / pipe trenches in soft rock hard rock and old foundation and lime masonry foundation by controlled blasting / chiselling including trimming and leveling the bed by chisseling wherever required and removing the excavated material upto a distance of 50 M with lift upto 1.5 M stacking as directed dewatering, showring, structing, preparing the bed for the foundation and excluding back filling etc. complete.

Item No.4 Providing murum bedding in trenches with approved murum from excavated materials from fiundations / trenches in 15 to 20 cm layers including watering and compaction, etc. complete.

Item No.5 Providing and supplying in standard lengths ISI mark Polyethelene Pipes, for potable water with rubber ring joint do etc complete. 110 mm HDPE 6 kg/cm² class Pipes

Item No.6: Providing and fixing PVC/GIMD/HDPE pipe specials suitable for above pipe lines as required duting execution of work, including all taxes --- do --- etc. complete.

Item No.7: Lowering, Laying and Jointing GIMD/PVC pipes by heating to the ends of pipes with the help of tefflon coated electric mirror/heater to the required temparature and then pressing the ends together against each other, to form a monolithic & leack proof joint by thermosetting process. the pressing may be required to be done with Jacks / Hydraulic Jacks Butt fusion machine etc. complete with all materials labours as directed by Engineer-in-charge, etc. complete, 110 mm HDPE 6 kg/cm² class Pipes

Item No.8: Hydraulic testing of GIMD / PVC MDPE 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, etc. complete 110 mm HDPE 6 kg/cm³ class Pipes

Item No.9 Providing and fixing as per relevant IS specifications CI D/F sluice valves, suitable types of pressure relief valves etc. of following doa. excluding GST levied by GOI & GOM in all respect, Including transportation upto site of work, unloading, stacking etc. complete. a) Material 100 mm dia. Sluice valve

b) Labour 100 mm dia, sluice valve

Item No.10:- Providing and fixing air valves of following class & dia.. do etc, complete. a) Material - 25 mm dia, air valve

b) Labour 25 mm dia. air valve

Item No.11:-Making cross connection to existing distribution main of any type including excavation, breaking and removing existing pipes, lowering, laying of specials and pipes in their position, refilling, closing the water supply in that area, dewatering and restarting the water supply, etc. complete as directed by Engineer-in charge for following diameters of existing pipeline, irrespective 150 mm dia

100 mm dia

item No.12 Providing and consructing chamber of clear Inside size 0.60 x 0.45 M (depth upto 0.9 M) in B.B. masonry 2nd sort in C.M. 1:6, 225 mm thick wall with 12 mm thick cement plaster 1:3 from inside and CM 1:2 pointing from outside, M:100 bedding 15 cm thick including excavation in soft/hard strata etc. Fixing CIMH frame and cover in coping etc, curing, PCC, cost of frame and cover etc. complete

Item No.13 Filling in plinth and floors /exavated trenches with approved excavated materials from foundation 15 cm to 20 cm layers including watering and compaction etc. complete