Special repair works in T-IV staff quarters (Nos.94-104) block at BSNL colony Sector-D Aliganj Lucknow

Amount

DSR 2021 Items

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor, etc., up to floor five level, excluding the cost of centering, shuttering and finishing :

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

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size).

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

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

Weather shade, Chajjas, corbels etc., including edges

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 the exposed surface of R.C.C. work with 6 mm thick cement mortar 1:3 (1 Cement : 3 fine sand).

Add for plaster drip course/ groove in plastered surface or moulding to R.C.C. projections

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in :

Cement mortar 1:6 (1 cement : 6 coarse sand)

Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level.

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

Extra for providing and placing in position 2 Nos 6mm dia. M.S. bars at every third course of half brick masonry.ird course of half brick masonry.

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.

Providing & fixing fly proof wire gauze to windows, clerestory windows & doors with M.S. Flat 15 x 3mm and nuts & bolts complete.

Stainless steel (grade 304) wire gauze of 0.5 mm dia wire and 1.4 mm aperture on both sides.

Providing & fixing glass panes with putty and glazing clips in steel doors, windows, clerestory windows all complete with :

4.0 mm thick glass panes.

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 gola 75x75 mm in cement concrete 1:2:4 (1 cement :2 coarse sand : 4 stone aggregate 10 mm and down gauge) including finishing with cement mortar 1:3 (1 cement : 3 fine sand) as per standard design

In 75x75 mm deep chase

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.

75 mm diameter

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.

Single tee with door

75 mm bend

110 mm bend

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.

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.

12 mm cement plaster of mix :

1:6 (1 cement: 6 fine sand)

15 mm cement plaster on rough side of single or half brick wall of mix :

1:6 (1 cement: 6 fine sand)

Cement plaster 1:3 (1 cement: 3 coarse sand) finished with a floating coat of neat cement.

20 mm cement plaster

Extra for plastering exterior walls of height more than 10 m from ground level for every additional height of 3 m or part thereof.

Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface :

Water thinnable cement primer.

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.

With cement mortar 1:4 (1 cement : 4 fine sand).

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.

In cement mortar

Removing mortar from bricks and cleaning bricks including stacking within a lead of 50 m (stacks of cleaned bricks shall be measured):

From brick work in cement mortar

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.

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.

LMR ITEM

Supplying at site approved bond chemical (like Pidicrete URP etc.) to be used in repair works as per manufacturer's specifications

Repairs to cement concrete / RCC surfaces in patches by suitably filling cement concrete 1:1:2 (1 cement : 1 coarse sand: 2 stone aggregate 10 mm nominal size) alround the exposed reinforcement and in cracks & potholes of depth 20mm to 40mm complete as per the direction of Engineer-in-charge.

Arranging electric welding machine at site for repairing works etc. with necessary cables and other T&P including the cost of operator and electrodes but excluding the cost of necessary steel sections complete as per direction of Engineer-in-charge. (Note: One day work at one site shall be taken as one job.)

Extra for making arrangement of double scaffolding system for repair works etc. on the exterior side beyond scafolding cost cosidered in basic items, up to four story height made of bamboos 1.5m centre to centre horizontal & vertical tubes and M.S. tube challies for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. ( Minimum width shall be measured 1.5 Metre and height shall be measured upto repairing height from ground shall be considered for payment )

Providing manual assistance for minor civil works such as disposal of dumped unservicable material from terrace to ground floor in dumping ground, rearangement of existing water supply / sanitary lines etc as per direction of Engineer In charge .

Unskilled manual assistance

Skilled manual assistance

Credit of unserviceable fittings and other materials recieved from dismantling:

Old rusted (unserviceable) C.I./S.C.I. Pipes and fittings, Mild Steel/ Steel Sections, G.I./M.S. Pipes, old steel window and grill etc.

Old servicable bricks obtained from dismantling