Construction of Rain water harvesting Reservoir at Ramnagar under SD-III, CD, APWD., Diglipur

Amount

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

Beyond 60 cm girth upto and including 120 cm girth

Filling available excavated earth (excluding rock) in trenches, plinth. sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and for all lift

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and for all lift, as directed by Engineer-in-charge.

All kinds of soil

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

All kinds of soil

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

All kind of soil

Supply and fixing Non-woven Geo textile having thickness of 400 gsm, having minimum tear strength of 250 ASTM D4533, width wise at least 215 ASTM D4533 having puncture strength of 1550 plus as per ASTM D6241 having elongation at break % of 57 plus as per ASTM D4595 in two layers, made out of long fibers to hold the modules 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 of 1.2 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.

P R SINGARAM AND SONS (BID ID -47100)