ANNUAL MAINTENANCE OF WATER...

[20.10.5]Extra for fixing sluice valves/flap valves socketed or flanged including cartage from stores or nearest Railway Station to site of works 5. 250 mm i/d

[20.58.2]Providing and fixing Cast Iron Detachable Joints class-15 marked with IS: 8794 for use with asbestos cement pressure pipes complete with 2 Nos. rubber rings marked with IS:5382 and IS:10292 and appropriate number of nut and bolts marked with IS:1363 including carriage, loading, unloading etc. complete in all respects to the satisfaction of the engineer-in-charge. (Excavation will be paid separately) 2. 100mm i/d CID Joint

[20.64.1]Providing, lowering, laying in trenches, aligning, fixing in position and jointing Ductile Iron (DI) ISI marked K-7 grade SandS pipes as per IS:8329-2000 (amended up to date), with internal cement mortar lining for potable water with rubber ring (EPDM/SBR) joints as per IS: 5382-1985 (excluding special accessories) complete including all material, labour, hydraulic testing and commissioning as per Technical Specifications and as per direction of Engineer. Note: E/W to be measured and paid separately. 1. 100 mm i/d

[20.67.1]Joining DI socketed pipes, valves and special with rubber tyton joints fitted complete including cost of labour and tools etc. and tested complete. 1. 100 mm i/d

[4.16.1.2]Excavating trenches of required width and depth for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m. 1.2. All kind of soil Pipes, cables etc, exceeding 80 mm dia but not exceeding 300 mm dia.

[4.33]Excavating, supplying and filling of local earth (including royalty) by mechanical transport up to a lead of 1 km also including ramming and watering of the earth in layers not exceeding 20 cm in trenches, plinth, sides of foundation etc. complete.

[5.23.1]Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. 1. Nominal concrete 1:1.5:3 or richer mix (i/c equivalent design mix)

[5.66.2]Dismantling old C.I. pipes including excavation and refilling trenches after taking out the pipes, breaking lead caulked joints, melting of lead and making into blocks, including stacking of pipes at site lead up to 50 metre: 2. 100 mm diameter C.I. pipe

[5.70]Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.