Civil work for supply of Well water for gardens at different locations and for groundwater recharge system at CSIR-NEERI Nagpur.

Amount

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.

Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge.

In cement mortar

Dismantling manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge :

Bituminous road

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead.

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5 m 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

Pipes, cables etc. not exceeding 80 mm dia.

Pipes, cables etc. not exceeding 80 mm but not exceeding 300 mm dia.

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 lift upto 1.5 m, as directed by Engineer-incharge.

All kinds of soil

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work upto plinth level.

1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate 20 mm nominal size)

Providing and laying non-pressure NP2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete :

150 mm dia. R.C.C. pipe

Providing and laying in position specified grade of reinforced cement concrete excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level :

1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

Centering and shuttering including strutting, propping etc. and removal of form for:

Lintels, beams, plinth beams, girders, bressumers and cantilevers

Columns, pillars, piers, abutments, posts and struts.

Extra for shuttering in circular work (20% of respective centering and shuttering items)

Lintels, beams, plinth beams, girders, bressumers and cantilevers

Reinforcement for R..C.C. work including straightening, cutting, bending, placing in position and binding all complete:

Thermo-Mechanically Treated Bars of grade Fe 500D or more

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in:

Cement mortar 1:4 (1 cement : 4 coarse sand)

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

External work

25 mm dia. nominal bore

50 mm dia. nominal bore

Providing and fixing G.I. pipes complete with G.I. fittings and clamps, i/c cutting and making good the walls etc.

Internal work - Exposed on wall

15 mm dia. nominal bore

25 mm dia. nominal bore

50 mm dia. nominal bore

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

25 mm nominal bore

50 mm nominal bore

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

25 mm dia. nominal bore

50 mm nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved heavy duty and quality confirming to relivent IS Code(screwed end) :

25 mm nominal bore

50 mm nominal bore

Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete :

25 to 40 mm nominal bore

50 to 80 mm nominal bore

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps/supports at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge.

50 mm nominal dia Pipes

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.

In stringers, treads, landings etc. of stair cases, including use of chequered plate wherever required, all complete

In gratings, frames, guard bar, ladder, railings, grill, brackets, gates and similar works

Making connection of drain or sewer line with existing manhole including breaking into and making good the walls, floors with cement concrete 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement : 3 coarse sand), finished with a floating coat of neat cement and making necessary channels forthe drain etc. complete :

For pipes 100 to 250 mm diameter

12 mm cement plaster of mix :

Cement mortar 1:4 (1 cement : 4 coarse sand)

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade with preparation of surface, etc. complete.

On steel work

Cleaning of terrace/loft water storage tank (inside surface area) upto 2000 litre capacity at all heights with coconut brushes, duster etc.,removal of silt, rubbish from the tank and cleaning the tank with fresh water disinfecting with bleaching powder @ 0.5gm per litre capacity of tank including marking the date of cleaning on the side of tank body with the help of stencil and paint and disposing of malba allcomplete as per direction of Engineer-inCharge. (The old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre) (if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account)

Providing and fixing gun metal gate valve with C.I. wheel of approved heavy duty and quality confirming to relivent IS Code(screwed end) :

50 mm nominal bore

Providing, fixing and laying ISI Mark HDPE pipes conforming to IS: 4984 (of make Supreme, Jain pipe or equivalent )including all HDPE fittings, capable to withstand temperature up to 80°C including all special fittings of composite material (engineering plastic blend and brass inserts wherever required) e.g. elbows, tees ,bends, reducers, end caps, couplers & connectors etc., testing of joints complete as per direction of the engineer in charge. (This includes jointing of pipes & fittings with one step HDPE solvent cement/ Heat process joint and threading where ever required with testing of joints etc. complete)

63 mm diameter OD - DN 63 PN 6

Providing and fixing HDPE/PVC Flanges of specified diameter with joints, nut bolting and testing of joints complete for joint , valves etc. as per direction of the engineer in charge. (This includes jointing of pipes with required acessories as per direction of Engineer-in-Charge.)

For HDPE pipe of outer dia.63 mm-DN 63 PN 6

Providing and fixing Brass ball valve of approved quality (screwed end).15 mm nominal bore

Providing and fixing G.I. reducer of approved quality with valid ISI mark ( inner screwed end) :

25mm x 15 mm nominal bore Reducer

50mm x 25 mm nominal bore Reducer

Providing, laying and fixing 160 mm OD eco drain pipe conforming to IS: 15328 including jointing with required glue/ sealent of premium approved quality for drainage, sewer lines as approved by the Engineer in charge.

Providing, fixing ISI Mark Green flexible PVC suction pipe of diametre 50 mm to with stand pressure PN6, to be fixed with the submercible well pump(to be paid seperately) conforming to relivent IS Code etc. complete as per direction of Engineer-in-Charge.

Providing, fixing GI Hose Nipple with flange for HDPE - CPVC and HDPE- Green flexible pipe connection with nut bolt with all fittings etc. complete as per direction of Engineer-in-Charge.

Providing and fixing HDPE/CPVC tank connector for inlet, outlet of tank with flange end,joints, gasket etc. accessories.This includes jointing and testing of joints complete as per direction of the engineer in charge. For HDPE/CPVC pipe of outer dia.50 mm

Supply laying and compacting of Ready mix Bitumenious mixture InstaPatch ( PST) on road as per direction of the engineer in charge.

Supply of labours as per the wages not less than the latest wages for the employee in construction or maintenance of roads or in building operation as per latest governemnt notification published by office or the regional labour commissioner (Central) including all taxes and contractor profit etc. Complete.

Trimming of the tree branches causing damage to the adjacent structure and the branches in danger with stacking it in the premises including all carrage up to 100 m etc complete as per the direction of the Engineer in charge.

Branches of diameter up to 100 mm

Hire charges for hydraulic excavator, (3D) with driver and fuel charges for excavation,cleaning removal of the building rubbish / malba, soil,wooden logs, dried trees, bushes etc. work including loading,cleaning the other material as per the direction of engineer-in-charge. (For actual working period of 8 hours per day)

Anil S Raul

Altaf Yusuf Khan

Aliakbar Qutubuddin Ali