Retrofitting by guiniting method of special repair and rehabilitation work of internal portion i/c painting, dismantling of dilapidated cycle shed and other misc. works of Main T.E. Bldg , Ranchi.

Amount

Sub-Head : EARTH WORK

Supplying and filling in plinth with sand under floors, including watering, ramming, consolidating and dressing complete.

Sub-Head : RCC WORK

Providing, hoisting and fixing above plinth level up to floor five level precast reinforced cement concrete work in string courses, bands, copings, bed plates, anchor blocks, plain window sills and the like, including the cost of required centering, shuttering but , excluding cost of reinforcement, with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size).

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

Sub-Head : BRICK WORK

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 5.0 in foundation and plinth in: (a) Cement mortar 1:6 (1 cement : 6 coarse sand)

Sub-Head : ROOFING

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i)Single socketed pipes. (a) 110 mm diameter

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A including jointing with seal ring conforming to IS :5382 leaving 10 mm gap for thermal expansion.

Coupler (a) 110mm

Single tee with door (a) 110x110x110 mm

Bend 87.5° (a) 110mm bend

Shoe (Plain) (a) 110mm shoe

Providing and fixing unplasticised -PVC pipe clips of approved design to unplasticised - PVC rain water pipes by means of 50x50x50 mm hardwood plugs, screwed with M.S. screws of required length including cutting brick work and fixing in cement mortar 1:4 (1 cement : 4 coarse sand) and making good the wall etc. complete (a)110mm

Sub-Head : FINISHING

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

15 mm cement plaster on the rough side of single or half brick wall of mix : 1:6 (1 cement: 6 fine sand)

Distempering with oil bound washable distemper of approved brand and manufacture to give an even shade. (a) New work (two or more coats) over and including water thinnable priming coat with cement primer.

Finishing walls with Acrylic Smooth exterior paint of required shade : (a)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).

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.

Distempering with 1st quality acrylic distember (Ready mix) having VOC content less than 50 grams/ litre of approved brand and manufacture to give an even shade : (a) Old work (one or more coats).

Painting (one or more coats) on rain water, soil, waste and vent pipes and fittings with synthetic enamel paint of approved brand and manufacture and required colour on old work :

75 mm diameter pipes .

100 mm diameter pipes .

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : (a) One or more coats on old work.

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : (a) Two or more coats on new work.

Sub Head: REPAIRS TO BUILDING

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq. meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground , all complete as per directions of Engineer-In-Charge. (a) With cement mortar 1:4 (1cement: 4 coarse sand).

Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40mm dia. M.S. tube 1.5m centre to centre horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc. wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineer-in-charge .The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. (a) Note: - This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done.

Sub Head: DISMANTLING & DEMOLISHING

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.

Extra for cutting reinforcement bars manually/ by mechanical means in R.C.C. or R.B. work (Payment shall be made on the cross sectional area of R.C.C. or R.B. work) 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. (a) In cement mortar

Dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead : (a) Of area 3 sq. metres and below

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Credit of dismantled & damaged wooden door shutter i/c frame.

Credit of dismantled & damaged wooden window shutter i/c frame and grill.

Credit of dismantled & unserviceable mild steel

Credit of dismantled & unserviceable 100 mm dia C.I pipe

Credit of bricks obtained after dismantling.

Sub Head: ROAD WORK

Providing and laying 60mm thick factory made cement concrete interlocking paver block of M -30 grade made by block making machine with strong vibratory compaction, of approved size, design & shape, laid in required colour and pattern over and including 50mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge.

Sub Head: WATER SUPPLY

Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

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 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. : Internal work - Exposed on wall

25 mm nominal outer dia .Pipes.

40 mm nominal outer dia .Pipes.

Providing and fixing PTMT extension nipple for water tank pipe, fittings of approved quality and colour. (a) 25mm nominal bore. Weighing not less than 62 gms.

Sub Head: DRAINAGE

Providing and laying cement concrete 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40 mm nominal size) all-round S.W. pipes including bed concrete as per standard design: (a) 150 mm diameter S.W. pipe

Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand ) with R.C.C. top slab with 1:1.5:3 mix (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making channels in cement concrete 1:2:4 (1cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement complete as per standard design : (a) Inside size 90x80 cm and 45 cm deep including C.I. cover with frame (light duty) 455x610 mm internal dimensions, total weight of cover and frame to be not less than 38 kg (weight of cover 23 kg and weight of frame 15 kg) : (i) With common burnt clay F.P.S. (non modular) bricks of class designation 5.0

Extra for depth for manholes (a) Size 90x80 cm (i) With common burnt clay F.P.S. (non modular) bricks of class designation 5.0

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 for the drain etc. complete : (a) For pipes 100 to 250 mm diameter

Making soak pit 2.5 m diameter 3.0 metre deep with 45 x 45 cm dry brick honey comb shaft with bricks and S.W. drain pipe 100 mm diameter, 1.8 m long complete as per standard design. (a) With common burnt clay F.P.S. (non modular) bricks of class designation 5.0

Constructing soak pit 1.20x1.20x1.20 m filled with brickbats including S.W. drain pipe 100 mm diameter and 1.20 m long complete as per standard design.

Providing and fixing on wall face unplasticised Rigid PVC soil, waste & vent pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes. (a) 150 mm diameter

Cleaning of septic tank by removing night soil, mud etc. by municipal tanker and disposal of sludge upto municipal dumping ground all complete as per direction of Engineer-in-charge.

Proper cleaning of manholes of sewer line i/c removing & disposal of sludge upto dumping ground in the campus as per direction of Engineer-in-charge.

Dismantling of manhole including R.C.C. top slab, C.I. cover with frame, including stacking of useful materials near the site and disposal of unserviceable materials within 50 m lead as per direction of Engineer-in-Charge : (a) Rectangular manhole 90x80 cm and 45 cm deep

Cleaning of chocked sewer line manually & de-chocking of sewer lines. De-chocking of sewer line from one manhole to another by fatta, water flowing etc. from 100mm dia upto 200mm dia for all depth and disposal garbage up municipal dumping ground as per direction & satisfaction of Engineer-in-charge.

Sub Head: REPAIR AND REHABILITATION

Chipping of unsound/weak concrete material from slabs, beams,columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge.(work is to be executed upto 20 m heights above G.L).

75 mm average thickness

50 mm average thickness

Cleaning of exposed concrete surface of sticking material including loose and foreign material by sand blasting with coarse sand followed by and including cleaning with oil free air blast as per direction of Engineer in charge.(work is to be executed upto 23 m heights above G.L).

Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge.(work is to be executed upto 23 m heights above G.L).

Bars upto 12 mm diameter

Bars above 12 mm diameter

Replacement of sufficiently damaged reinforcements or providing additional reinforcements with the damaged reinforcements by welding etc. including cost of reinforcement (TMT bar of required dia ),mobilization etc. complete as per direction of Engineer-in-Charge. (work is to be executed upto 20 m heights above G.L).

Providing ,mixing and applying SIKA TOP ARMATEC ® 108 or equivalent @ 0.70 Kg/Sqm (Single coat) as approved by Engineer-in-charge and as per manufacturer's specification for anti- corrosive treatment of reinforcement and adjacent concrete (considering 40% of the dismantled concrete surface) all complete as per direction of Engineer-in-charge.(work is to be executed upto 23 m heights above G.L).

Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect.(work is to be executed upto 20 m heights above G.L). (a) Epoxy bonding adhesive (Sika high bond or equivalent) having coverage 2.20 sqm/kg of approved make.

Guiniting the damaged R.C.C. columns, beams and slab after applying a bonding coat when it is taking (cement : coarse sand) = 1:3 and ‘SIGUNIT’ powder or equivalent as approved admixure as Additive set accelerator @ 2% to 4% by weight of cement and SIGUNITE powder: water = 1:4 to 10 (by volume) as per manufacturer’s specification including other cost like mobilization etc. complete . (Bond coat shall be paid separately). (works is to be executed upto 23 m heights above G.L)

Plastering in cement mortar 1:3 (1 cement:3 fine sand) of 12 mm thick admixed with water proofing compound of approved make such as plastocrete super or equivalent confirming to IS 9103-1999,IS 2645-1975 and ASTM C-494-86 Type A @ 0.2% by weight of cement and as per manufacturer specification complete to improve water tightness and workability without increased water content and as per direction of Engineer in Charge. (work is to be executed upto 23 m heights above G.L).

Plastering in cement mortar 1:3 (1 cement:3 fine sand) of 6 mm thick admixed with water proofing compound of approved make such as plastocrete super or equivalent confirming to IS 9103-1999,IS 2645-1975 and ASTM C-494-86 Type A @ 0.2% by weight of cement and as per manufacturer specification complete to improve water tightness and workability without increased water content and as per direction of Engineer in Charge.(work is to be executed upto 23 m heights above G.L).

Extra for mixing Recron 3S of reliance or equivalent in Cement mortar plaster of all thickness in the proportion of 1 packet (125 gm) in 50 Kg of cement complete as directed by Engineer-in-Charge.

Providing, erecting, maintaining and removing temporary protective screens made out of specified fabric with all necessary fixing arrangement to ensure that it remains in position for the work duration as required by the Engineer-in-charge. (a) Wooven PVC cloth

Credit for old dismantled tor steel.

R.K. GHOSH & CO.