Construction of RCC trench for chiller plant pipe lines and cable trays , chain link fencing to chiller yard, foundations for pumps and shed for chiller pumps at RNC Pune under Unified NMS for ARMY under NFS Project at Pune Maharashtra.(2nd Call)

Amount

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

b) Ordinary rock

c) Hard rock (blasting prohibited)

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 lift up to 1.5 m.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : a) 1:2:4 (1 cement : 2 coarse sand(zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

b) 1:5:10 (1 cement : 5 coarse sand(zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources)

Centering and shuttering including strutting, propping etc. and removal of form work for : Foundations, footings, bases for columns.

Providing and laying in position ready mixed or site batched design mix cement concrete for plain cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana/Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering and finishing as per direction of the engineer-in-charge; for the following grades of concrete. Note : 1) Excess/ less cement used than specified in this item is payable/ recoverable separately. All works upto plinth level M-10 grade plain cement concrete (cement content considered @ 220 kg/cum).

Deduct for providing and laying PCC 1:3:6 (1 Cement : 3 coarse sand(zone-III) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) instead of RMC M10 as per item no 3.a

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 :(a) 1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge; for the following grades of concrete. Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement Concrete of M25 grade with minimm cement content of 330 kg /cum

Deduct for providing and laying RCC 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) instead of RMC M25 as per item no 4.a

Centering and shuttering including strutting, propping etc. and removal of form for : a) Foundations, footings, bases of columns, etc. for mass concrete.

b) Walls (any thickness) including attached pilasters, buttresses, plinth and string courses etc.

c) Suspended floors, roofs, landings, balconies and access platform.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. - Thermo-Mechanically Treated bars of grade Fe-500D or more.

Smooth finishing of exposed surface of RCC work with 6 mm thick Cement Morter (1 cement : 3 fine sand)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 3.5 in foundation and plinth in: Cement mortar 1:6 (1 cement : 6 coarse sand)

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6 mm angle iron and 3 mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer. -Using M.S. angels 40x40x6 mm for diagonal braces

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. -Hot finished welded type tubes.

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

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete. -40 mm thick with 20 mm nominal size stone aggregate

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineerin- charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

Providing and fixing precoated galvanised steel sheet roofing accessories 0.50 mm (+0.05 %) total coated thickness, Zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete : -Ridges plain (500 - 600mm).

12 mm cement plaster of mix : 1:6 (1 cement: 6 fine sand)

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade: -Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture.

Finishing walls with Acrylic Smooth exterior paint of required shade : New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm).

Supplying and stacking at site. -Moorum.

Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in-charge. -Made of G.I. wire of dia 4 mm

Supplying at site Angle iron post & strut of required size including bottom to be split and bent at right angle in opposite direction for 10 cm length and drilling holes upto 10 mm dia. etc. complete.

Chain link fencing with posts of specified material and of standard design placed and embedded in cement concrete blocks 45x45x 60 cm of mix 1:5:10 (1 cement:5 fine sand : 10 graded stoneaggregate 40 mm nominal size), every 15th post, last but one end post and corner post shall be strutted on both sides and end post on one side only and struts embedded in cement concrete blocks 70x45x50 cm of the same mix, provided with welded steel wire fabricfixed between the posts fitted and fixed with G.I. staples on wooden plugs or tied to 6 mm bar nibs with G.I. binding wire (cost of posts, welded steel wire fabric, painting, earth work in excavation and concrete to be paid for separately).

Supplying of hot dipped galvanised MS frames for man holes, miscellaneous fixtures such as ladder hooks etc. or any other fixtures as prescribed in manholes as per the drawings; etc. complete as per the direction of the Engineer-in-Charge.

Supplying & stacking precast Steel fibre Reinforced Cover (SFRC) for Manhole/ Handhole, edge rim of M. S. Angle fabricated with 3mm thick M. S. sheet, base supported on 16-SWG (1.60mm) M.S. Sheet, reinforcement mesh of TMT bars welded to M.S. Angle rim with 20mm clear bottom cover; hot dipped galvanizing of the fabricated cover assembly including all fittings, filling cement concrete of 1:1:2 mix (1cement: 1 coarse Sand: 2 graded stone aggregate 20mm nominal size) mixed with Low Carbon Cold Drawn Wire type steel fibre conforming to the IS 12592:2002 at 0. 75% by volume of concrete, finishing top with neat cement slurry, broadcasting top layer of fresh concrete using Non-Metallic Floor Hardener (of approved quality and manufacture) @7.0 kg per sqm as per manufacturers specifications etc complete-HD grade SFRC cover of size 900mm x 900mm x 100 mm thick.

Providing and welding of box hinges 100 mm size by welding to the gate channels etc. all complete as directed by the Engineer-in- charge.