Retrofitting of Water Supply Scheme Balsoo by way of providing, laying and fitting of pipes and construction of drain at head works at Katrusu for WSS Balsoo which includes maintenance for a period of three years which includes DLP of 12 months.

Amount

Earth work in excavation by manual means in trenches for foundations, drains, pipes, cables etc. (not exceeding 1.5 min width) and for shafts, wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting out excavated earth and disposal of surplus excavated earth as directed:

Providng and laying S&S centrifugally cast ( spun) ductile iron pipes confirming IS:8329 150mm dia -(k7)7

providng push on joints to centrifugally( spun) cast iron pipes or ductile iron pipes incl testing of joints /cast rings

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundation etc. Layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering lead upto 50m and lift upto 1.5

P/L of GI pipes complete with GI fittings excl the trenching and refilling etc ( external work) light class pipes 100mm dia pipe

80mm dia GI pipe

65mm dia GI pipe

50mm dia GI pipe

40mm dia GI pipe

25mm dia GI pipe

20mm dia GI pipe

15mm dia GI pipe

supply and fixing of GI pipe specials of standard make as per the site requirement and as per the instruction of engineers incharge at site

providing and laying of dry stone tightly hand packed

providingb and laying in position cement concrete of specified grade excl the cost of centring shuttering all work upto plinth level 1:4:8 ( 1 cement4 coarse sand 8 graded stone agg)

providing and layting in position cement concrete of specirfied grade excl the cost of centring and shuttering all work upto plinth level 1:1.5:3 ( 1 cement 1.5 coarse sand 3 graded stone agg) 20mm nominal size

Walls

Steel reinforcement for RCC work incl. straightening cutting bending placing in position and binding all complete upto plinth level TMT of grade FE 500 D or more

centring shuttering incl strutting propping and removal of form work for foundation walls

edges under 20cm wide

12mm Cement plaster finished with a floating coat of neat cement of mix

Carriage of materials from source to dumping site of road by mechnical transport cement and steel average lead 21kms

sand/agg for average lead of 21kms

stone soling for an average lead of 21 kms

Extra carriage of materials by manual labour from dumping site to actual site of work cement for average lead of 1000 mtrs

steel for average lead of 1000mtrs

sand and aggregate for average lead of 1000mtrs

stone soling for average lead of 1000mtrs

pipes for average distance of 200mtrs

GI pipe

FAYAZ AHMAD KHANDAY