Construction of 01 No. Rain Water Harvesting Reservoir (Pond No. 01) for a capacity of 10.00 ML including laying of Pipe Lines at back side of APWD Water Laboratory near Austin Bridge under SD-I, NACD, APWD, Mayabunder

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared.

Felling trees of the girth (measured at a height of 1m above ground level) including cutting of trunks and branches, removing the roots and stacking of servicable material and disposal of unservicable material.

Beyond 120cm girth upto and including 240cm girth

Above 240cm girth

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth,1.5m in width as well as 10Sqm on plan) including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

All kinds of soil.

Extra for every additional lift of 1.5m or part thereof in excavation/banking excavated or stacked

All kind of soil

Banking excavated earth in layers not exceeding 20cm in depth, breaking clods, and compaction with wooden or steel rammers and dressing up in embankments for roads, floods banks, marginal blanks and guide banks etc lead upto 50m and lift upto 1.5

Supplying and fixing Non-woven Geo textile having thickness of 400 GSM , having minimum taer strength of 1550 plus as per ASTMD624q having elongation t break % of 57 plus as per ASTMD4595 in two layers, made out of long fibre to hold the modulus and protect liner including cutting,sizing,head welding and needle punched for high porosity and proper percolation complete.

Supplying and fixing HDPE liner of approved brand 1.0 mm thick for the collection of water including heat welding on site and off site as per the requirement and direction of engineer-in-charge.

Carriage of earth by means of mechanical transport including loading and unloading within an average lead of 1.00 Km as per the direction of Engineer-in-charge.

Excavating trenches by mechinical / manual means of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, for all depth, 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:

All kinds of soil i) Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. : External work

80 mm dia. nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :

80 mm nominal bore

Providing and laying S&S C.I. standard specials such as tees, bends, collars, tapers, caps etc. (Heavy class):

Up to 300 mm dia

Supplying pig lead at site of work.

Providing and fixing C.I. sluice valves (with cap) complete with bolts, nuts, rubber insertions etc. (the tail pieces if required will be paid separately) :

100 mm diameter i) Class I

Painting G.I. pipes and fittings with two coats of anti-corrosive bitumastic paint of approved quality :

80 mm diameter pipe

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work)

80 mm nominal bore

Providing push-on-joints to Centrifugally (Spun) Cast Iron Pipes or Ductile Iron Pipes including testing of joints and the cost of rubber gasket :

100 mm dia pipes

Providing and laying S&S Centrifugally Cast (Spun) / Ductile Iron Pipes conforming to IS : 8329 :

100 mm dia Ductile Iron Class K-7 pipes

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