CA NO CWE/PAT/T-35/2022-23 PROVN OF RAIN WATER HARVESTING FOR AMN SHED AT FAD DAPPAR UNDER GE PROJECT DAPPAR

Amount

Excavation in trenches n exc 1.5m wide and n exc 1.5m in depth and getting out in soft/ loose soil complete all as specified and as directed

M&L for cement concrete 1:4:8, type D2, (using 40 mm graded crushed stone aggregate) in foundation, filling and mass concret complete all as specified and as directed.

Brick work with sub class 'B' bricks, old size, straight or curved on plan exc 6m mean radius built in cement mortar 1:4 complete all as specified and as directed.

Cement concrete 1:2:4, type B-0 (using 12.5 mm graded crushed stone aggregates) as in coping including necessary formwork, weathering, slightly rounded or chamfered angles etc complete all as specified and as directed.

Cement concrete 1:2:4, type B-1 (using 20 mm graded crushed stone aggregates) as in surface channels and drains complete all as specified and as directed.

Rendering 15 mm thick in cement mortar 1:4 on surfaces other than fair faces of brickwork, finishing fair & even complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm in soft / loose soil complete all as specified and as directed.

Removing excavated material n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point complete all as specified and as directed.

M&L for Reinforced concrete pipes class NP-2 , 300mm bore with collars laid and jointed in cement mortar 1:4 complete all as specified and as directed.

Concrete bed to 300 mm bore drain pipes including packing under and haunching against the sides of pipes (after they are laid and tested) in cement concrete 1:3:6, type C-2 (using 40 mm graded aggregate) complete all as specified and as directed.

Loose filling with aggregate of broken stone or boulder of gauge 80 to 150mm in soakage pits, soakage well complete all as specified and as directed.

All as per item no. 11 here-in-before but gauge 40-80 mm .

Sand filling under floor or in foundations including watering and consolidation complete all as specified and as directed.

Excavation over area n exc 1.5 m deep and getting out in soft soil complete all as specified and as directed

All as per item No 14 here-in-before above but depth exc 1.5m and n exc 3.0m deep and getting out in soft soil complete all as specified and as directed.

M&L Hand rails, half round or other steel section or core for wooden hand- rail straight portion, drilled and countersunk for balusters running bars, for doors, balusters, nosing to step including embedding in concrete and screwing etc. wind tiles for roof including secuirng bolts, posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc. flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc. and similar work conforming to Fe- 290 Gde E-165 complete all as specified and as directed.

Preparation of new or perviously untreated steel surface, any description, over 10cm width or girth, and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed.

Drilling pilot bore of 150 mm dia by rotary drilling method (Direct/reverse) through rig machine for injection well in any kind of soil strata or rock including disposal of surplus soil/rock to a distance n.exc.50m, including deploying required rig machinery, T&P equipment etc. including transporting of all material like rig machine, tools & plants, collection of log samples (drilling/ cutting) and to maintain drill time log book complete all as specified and as directed.

Reaming of bore well from 150 mm dia to 250 mm dia with direct circulation rig machine/reverse rotary circulation method in any kind of stara of soil/rock from ground level to 100 m deep below ground level complete all as specified and as directed. Notes for item Nos. 18 & 19 : 1) Following activities are to be carried out and report as mentioned shall be submitted by the contractor which is deemd included in the quoted rates. a) Taking the sample of strata at every 3.0 m interval and every change in strata and preparation of litho logs based on three sampes, (Cost of pervious of ample strata box of size 1200*750*100mm of specified as directed by GE shall be deemed included in the quotes rates) b) Preparation of drill time log and submitting to deptt. 2) The change in upper or lower limit of boring from ground level with a particular dia of drill will not amount of any deviation and rates quotes against these items is only applicable even if drilling depth varies from and nothing extra is admissible on the account .

Supply, assembling, jointing, lowering and fixing in position PVC plain casing pipe, heavy duty of size 150 mm dia with wall thickness 7.5-8.5 mm conforming to IS-4985 having male threads at spigot end and female threads at socket end screwes and socket type in all jointing accessories complete all as specified and as directed.

Supply, assembling, jointing, lowering and fixing in position PVC screen casing pipe, heavy duty of size 150 mm dia with wall thickness 7.5-8.5 mm conforming to IS-4985 having male threads at spigot end and female threads at socket end screwes and socket type in all jointing accessories complete all as specified and directed.

PVC bail plug assembly suitable for 150 mm nominal bore PVC casing pipe internally threaded and jointed with casing pipe complete all as specified and as directed.

Mild steel hosing clamps made out of 12mm thick MS flat bent to shape for 150 mm bore casing pipe with necessary bolts, nuts and washers at ground level complete all as specified and as directed.

PVC well cap 8mm thick, suitable for 150mm bore, having internal threads complete all as specified and as directed.

Development of injection bore with well by using air compressor of suitable capacity for removing the drilling mud and finer sediments in the surrounding of borewell screens complete all as specified and as directed. (5 hours for each well).

Supply and packing pea gravel of size 2mm to 5mm all around casing pipe and slotted pipe complete all as specified and as directed.

bairagi enterprises

Supreet Associates