SPECIAL REPAIRS OF STRUCTURE OF BLDG NO P-01 AT CH(EC) UNDER GE(A) KOLKATA

Amount

NOTES :(i)The bidders/contractors are advised to read tender document & all corrigendum/ amendments and General conditions of contracts before entry/quoting the rates. (ii) It is highlighted that the cretin condition of General Condition Of Contracts (IAFW-2249) has been modified as direction of MOD i.e inclusion of performance security, deletion of risk & cost provisions and increase in defects liability period all as specified in tender document. The tenderers should keep in mind while quoting their offer

Taking down old damaged cement plaster any descrition including raking out joints, hacking for key, scrubbing down with water up to 04 storied of building complete all as specified and directed

All as per item No 2 in here-in-before but 5 story to 8 storied high building complete all as specified and directed

Chipping of unsound / weak concrete materials (av thickness upto 30mm) including taking down old plaster from slabs, chajja, fin, facia, beam, column etc by any means as directed by Engineer-in-Charge including tapering all edges, making square shoulders of cavities air or sand blasting etc and cleaning of exposed concrete surface of lightly picking materials by air blasting or sand blasting incl foreign materials, loose concrete / aggregate etc and disposal of all debris out of MOD land and complete all as specified and directed by Engineer-in-Charge (upto 4 storey building)

All as per item No 4 in here-in-before but 5 story to 8 storied high building complete all as specified and directed

All as per item No 4 in here-in-before but 50mm average thickness for beams / lintel / column

All as per item No 6 in here-in-before but 5 story to 8 storied high building complete all as specified and directed

Add or deduct for every 10mm thockness extra (upt 4 storey of building) complete all as specified and directed

All as per item No 8 here-in-before but 5 storey to 8 storied building complete all as specified and directed

Removing of concrete all around reinforcement including from behind the reinforcing bars to give an average 25mm (but not less than 15mm clear air gap) by manual methods (using wire brushing, chiselling etc) and applying alkaline rust removing chemical followed by removing rust including from behind the reinforced bars by emery paper and cleaning the area throughly by water and allow it to dry all as per manufacturer's instruction to give it a totally rust free finished steel surface complete all as specified and directed by Engineer-in-Chargeupto 16mm dia bar (upto 4 storey building)

All as per item No 10 in here-in-before but 5 story to 8 storied high building complete all as specified and directed

Material & labour for providing single coat of epoxy bond adhesive of prepared non metallic surface (existing surface) and applying by brush all as per manufacturers instruction / specification. the bonding agent shall have minimum compressive strength of 40 N/Sqm and complete all as specified and directed by Engineer-in-Charge (upto 4 storey building)

All as per item No 12 in here-in-before but 5 storied to 8 storied of building complete all as specified and directed

Supply and application of Epoxy Zine rich primer on the prepared steel surface by brush the primer shall have a minimum specific gravity 1.75 minimum weight film thickness / coat 40 microns and minimum adhesive bond strength with steel is 1.5N / mm2 complete all as specified and directed by Engineer-in-Charge (upto 4 storey building)

All as per item No 14 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Material & labour for introducing new reinforcement bars upto 12mm dia bars Fe 550 CRS for structural connection in RCC beams, columns, lintel and slabs including power drilling holes of appropriate diameters in reinforced or plain cement concrete to a minimum depth of 150mm and upto 200mm including power drilling, fixing the reinforcement in position using epoxy, cleaning of loose dust by blowing air, sealing with epoxy cartridges etc all as specified and directed by Engineer-in-Charge (upto 4 storey of building)

All as per item No 16 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Material &labour for providing and inserting mild steel shear key bars / levelling gauges of required length and diameter in reinforced / plain concrete as per drawing and direction of Engineer-in-Charge including power drilling holes of appropriate diameters to a minimum depth equal to 12 times the diameters of shear key bar / levelling gauge, cleaning the drilled holes of loose dust by blowing, insertion of epoxy from cartidge, placing the shear key bar in position and allowing it to stay undistributed for 24 hours. rate shall be include cost of labour, all materials, T&P for power drilling in concrete, epoxy cartridge, plastic nozzle etc, complete incl cleaning the drilled holes of loost dust by blowing air complete all as specified and directed by Engineer-in-Charge. 16mm dia Fe 550 CRS, 300mm long @ MS shear key of bar. the projection length of shear key shall be more than 10 times its diameter plus half of the thickness of cover to concrete plus bend length upto 4 storey building

All as per item No 18 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Material & labour for providing and placing in position free flow non shrink cementious microconcrete of Grade of M-50 to the effected beam, column etc. The micro concrete shall have a minimum 1 day compressive strength of 10 Mpa and 28 days strength of 50 Mpa, minimum tensile strength 5N/mm2 @ 28 days, minimum flextural strength 5N/mm2 @ 28 days and complete all as specified and directed by Engineer-in-Charge. 50mm average thickness of column, upto 4 storey building

All as per item No 20 in here-in-before but 5 to 8 storied of building complete all as specified and directed

M&L for providing and placing in position free flow non shrink cementious microconcrete of Grade of M-50 to the effected beam, column etc. The micro concrete shall have a minimum 1 day compressive strength of 10 Mpa and 28 days strength of 50 Mpa, minimum tensile strength 5N/mm2 @ 28 days, minimum flextural strength 5N/mm2 @ 28 days and complete all as specified and directed by Engineer-in-Charge. Add or deduct for every 10mm thickness extra, upto 4 storey high

All as per item No 22 in here-in-before 5 to 8 storied of building complete all as specified and directed

Supply, mixing and application two component structural grade polymer modified reinstatement morter, where local spalling has taken place or shuttering is not possible. The morter can be applying in layers not exceeding 6mm thick in each layer in and upto any thickness in smaller vertical pockets and upto any thickness in horizontal applications. The mortar should have a minimum compressive strength 12N/mm2 in 1 day and 45N/mm2 in 28 days. Minimum flexural strength should be 8N/mm2 in 28 days. A modified styrene butadience emulsion for use as a bonding aid and gauging liquid for cementitious system to be mixed with cement slurry before the application of modified polymer mortar to be used @6lttr / bag of cement. the bonding agent should have minimum compressive strength 24N/mm2. Minimum tensile strength 3.5N/mm2, minimum flexural strength 6.5N/mm2 complete all as specified and directed by the Engineer-in-Charge upto 25mm average thickness and upto 4 storey of building. Note:- Cement and sand morter in proportion of 1:2 graded coarse sand) with polymer admixed in proportions approved by ENgineer-in-Charge

All as per item No 24 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Material & labour for applying curing compound over concrete surfaces as per manufacturers instruction complete all as specified and directed by Engineer-in-Charge (upto 4 storied building)

All as per item No 26 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Material & labour for hoisting, assembly and fixing of double layer steel scaffolding to external perimeter of building (upto 12 storeyed) duly cross braced and properly aligned for the functional aspect and safety of the building including dismantling, shifting & removal from site complete all as specified and directed by Engineer-in_Charge (upto 4 storied high building). NOTE: 1. Elevational area of the building shall be measured for payment of scaffolding Qty. 2. Scaffoling shall be carried out as required basis as per directed by Engineer-in-Charge.

All as per item No 28 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Demolition of RCC of any description and in any position not otherwise specifically provided for complete all as specified & directed.(upto 04 storied high building)

All as per item No 30 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Use and waste of formwork to sides of column, pillars, posts, stanchions for rough finished surface complete all as specified and directed.(upto 04 storied high building)

All as per item No 32 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Use and waste of formwork to sides and soffit of beams, lintels, cantilevers, shelves etc for rough finished surface complete all as specified and directed.(upto 04 storied high building)

All as per item No 34 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Use and waste of formwork to edges of concrete flats, treads, breaks in floors, window cills, concrete railing, horizontal or sloping and similar work exc 5cm but not exc 10cm thick complete all as specified and directed.(upto 04 storied high building)

All as per item No 36 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Use and waste of formwork to chullah hoods, chajjas, troughs, parapet and similar items including edges for rough finished surface complete all as specified and directed.(upto 04 storied high building)

All as per item No 38 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Material & labour for RCC (Nominal Mix) 1:2:4 type B0 using 12.5mm graded crushed stone aggregate as in chajjas, similar work complete all as specified and directed (upto 04 storied high building).

All as per item No 40 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Material and labour for TMT bars 10mm dia and over, cut to length, bent to shape required including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed (upto 04 storied high building).

All as per item No 42 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Material and labour for TMT bars 8mm dia and over, cut to length, bent to shape required including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed (upto 04 storied high building).

All as per item No 44 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Material and labour for TMT bars 8mm dia and over as in stirrups, cut to length, bent to shape required including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed (upto 04 storied high building).

All as per item No 46 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Demolition of Brickwork quions, arches, pillars etc but excluding ashlar facings, dressed all store work and precast concrete articles built in cement mortar complete all as specified and as directed (upto 04 storied high building).

All as per item No 48 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Material & labour for brick work with sub class 'B' bricks built in cement mortar 1:6 straight or curved on plan exceeding 6 mtr mean radious complete all as specified and directed (upto 04 storied high building).

All as per item No 50 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Material & labour for brick work with sub class 'B' bricks, straight or curved on plan to any radius in half brick thick walls built in cement mortar 1:4 complete all as specified and directed (upto 04 storied high building).

All as per item No 52 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Material and labour for 10 mm thick rendering in cement mortar (1:6) on fair face of brickwork or concrete surfaces, finished even and smooth without using extra cement complete all as specified and as directed by the Engineer-in-Charge(upto 04 storied high building).

All as per item No 54 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Material & Labour for 20mm thick rendering in two layers (Top 10mm thick rendering coat mixed with water proofing compound shall be laid over 10mm thick plastered surface) with CM 1:4 on brick work or concrete surfacces finished the surface even and smooth without using extra cement complete all as specified and as directed by the Engineer-in-Charge(upto 04 storied high building). Note: WPC shall be measured and paid seperately

All as per item No 56 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Supply and application of two coats of Anticarbonation Pure resin Acrylate protective cum decorative coating painting over a coat of primer of minimum DFT 100 Microns, Sp. Gravity 1.17 to 1.2 gm/cc over a coat of wall care putty of thickness 1 to 2 mm thick over new / old surface including preparation of surface and complete removal of existing treatment. Adhesive bond strength with concrete : > 1N/mm2, water premeability : Nil after 24 hours . the entire Building to be coated with this product after all repairinng work complete all as specified and as directed by the Engineer-in-Charge (upto 04 storied high building).

All as per item No 58 in here-in-before but but 5 to 8 storied of building complete all as specified and directed

Material & Labour preparation of old decorated surface by complete removal of existing treatment, washing, rubbing, stopping etc and applying two coat of oil emulsion distemper over a coat of primer and one coat of wall putty to match with the new surface on wall complete all as specified and as directed by the Engineer-in-Charge (upto 04 storey high building).

All as per item No 60 in here-in-before but but 5 to 8 storied of building complete all as specified and directed

Supply only integral water proofing compound(ISI marked) complete all as specified and directed (upto 04 storied high building).

Material and labour for 18 to 20 mm thick granite(of any type) work( table rubbed and polished) in steps, jambs, pillars, eindow-cills, cooking platforms and like over and including 15mm thick cement bedding (1:6) including pointing in white cement (1:2) using marble dust with admixture of pigment to match with shade of granite complete all as specified and directed. (upto 08 storied high building).

All as per item No 63 here-in-before but 5 to 8 storied of building complete all as specified and directed

Rounding to edges of stone slabs on edge, such as in steps, cooking platform and other similar situations complete all as specified and directed.

Taking up or down 15mm steel tubing and connections including cleaning for re-fixing or removal complete all as specified and directed. (upto 04 storied high building).

All as per item No 66 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Supply and fixing CPVC pipes 20mm outer diameter of SDR 11 including plain CPVC SDR 11 fittings as in walls. Ceiling, floor etc complete all as specified and directed. (upto 04 storied high building).

All as per item No 68 in here-in-before but but 5 to 8 storied of building complete all as specified and directed

Taking up or down 20mm steel tubing and connections including cleaning for re-fixing or removal complete all as specified and directed. (upto 04 storied high building).

All as per item No 70 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Supply & Fixing CPVC pipes 25mm outer diameter of SDR 11 & plain CPVC SDR 11 fittings as in walls. Ceiling, floor etc complete all as specified and directed. (upto 04 storied high building).

All as per item No 72 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Taking up or down 50mm steel tubing and connections including cleaning for re-fixing or removal complete all as specified and directed (upto 04 storied high building).

All as per item No 74 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Supply and fixing 25mm bore gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipes complete all as specified and directed by Engineer-in-Charge. (upto 04 storey high building).

All as per item No 76 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Supply & Fixing fixed type partly glazed, partly gauged, solid PVC ventilator including 3mm thick frosted glass pane, 0.36mm dia & 1.4mm aperture stainless steel wire net, glazing clip, fastener etc complete all as specified and directed by Engineer-in-Charge (upto 04 storied high building).

All as per item No 78 in here-in-before but 5 to 8 storied of building complete all as specified and directed

S&F in repairs for powder coated aluminium sliding windows for three track with rubber gasket, stopper powder coated aluminium standard beads / glazing clips, locking arrangement etc and luminium frame of size 80mm x 25mm x 1.5mm and shutter of section 20mm x 20xx x1.5mm incl (two shutter of 4.8 mm thick glass and one shutter of wiremesh 0.36mm dia of wire and average width of aperture 1.40mm) including taking down old steel windows with necessary all fittings complete all as per manufacturer's instructions and as specified and directed by Engineer-in-Charge (upto 04 storied high building)

All as per item No 80 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Supplying and fixing Mild steel framed work such as grills, gratings etc with ends of bars shouldered and or riveted or forged into spikes, frames guard bars, barred iron doors, railings and similar work conforming to Fe-290 Gde E-165 complete all as specified and directed by Engr-in-Charge(upto 04 storied high building)

All as per item No 82 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Material & labour preparation of new steel and iron surfaces of any description area exc 10cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed by Engr-in-Charge(upto 04 storied high building)

All as per item No 84 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Dismantling cast iron or re-inforced concrete drain pipes of 100mm bore, jointed in cement mortar complete all as specified and directed by Engr-in-Charge(upto 04 storied high building)

Supply & Fixing 100mm bore CI spun pipes with out ears in any length fixed to wall with brackets including bituminous paints both side complete all as specified and directed by Engr-in-Charge(upto 04 storied high building)

Supply & Fixing 100mm bore CI bend with door complete all as specified and directed by Engr-in-Charge(upto 04 storied high building)

Supply & Fixing 100mm bore CI branch pieces single equal or unequal with door complete all as specified and directed by Engr-in-Charge(upto 04 storied high building)

Supply & Fixing 100mm bore CI cowl complete all as specified and directed by Engr-in-Charge

Supply & Fixing 110mm bore PVC (SWR) pipe single socket in any length rubber ring joints complete all as specified and directed by Engr-in-Charge(upto 04 storied high building)

Supply & Fixing110mm bore PVC(SWR) pipe bend single socket complete all as specified and directed by Engr-in-Charge(upto 04 storied high building)

Material & labour preparation of old painted steel surfaces of any description exc 10cm width or girth and applying one coat of synthetic enamel paint complete all as specified and as directed by Engineer-in-Charge (upto 04 storied high building).

Material & labour preparation of old painted wooden surfaces of any description exc 10cm width or girth and applying one coat of synthetic enamel paint complete all as specified and as directed by Engineer-in-Charge. (upto 04 storied high building)

Supply and fixing in repairs 3.0mm thick sheet glass, ordinary quality and glazing with oil putty in square n.exc 0.5 Sqm in each pane complete all as specified and directed by Engineer-in-Charge(upto 04 storied high building).

All as per item No 95 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Supply & fixing in repairs stainless steel wire cloth, 0.36mm nominal dia of wire and average width of aperture 1.40mm fixed with SS wire staples complete all as specified and directed by Engineer-in-Charge(upto 04 storied high building).

All as per item No 97 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Material & Labour for 75mm thick cement concrete 1:4:8 type D2 (40mm Aggregate) mixed with liquid water proofing chemical in roof with proper sloping (1:20) including repair of Crumple Joints as per IS Code complete all as specified and directed by Engineer-in-Charge(upto 04 storied high building).

All as per item No 99 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Material & labour for RCC M-25 Nominal mix (1:1.5:3) type A1 using 20mm graded aggregate as in columns, pillars, piers, posts and struts complete all as specified and directed by Engineer-in-Charge (upto 04 storied high building).

All as per item No 101 in here-in-before but 5 to 8 storied of building complete all as specified and directed

Removing building materials etc (other than spoil payable under items 03028 to 030031 in Section-3-Earthwork) to a distance 0f 5 Km beyond the lead included in the rates, including loading, unloading and stacking at the destination etc complete all as specified and directed by Engineer-in-Charge

Material & labour for providing plain cement concrete (1:2:4) type B1 using 20mm graded stone aggregate as in coping and the like including weathering, slightly rounded or chamfered angles and throting including necessary formwork complete all as specified and directed

Material & labour rough cast plaster on exterior walls in two layers, under layer 10mm cement plaster 1:6 (1 cement : 6 coarse sand) with scratching tool, applying cement slurry on the under layer complete all as specified and directed(upto 08 storied high building).

Supply & Fixing in repair 75mm bore PVC(SWR) pipe single socket in any length rubber ring joints complete all as specified and directed by Engineer-in-Charge (upto 04 storied high building).

Supply & Fixing 75 /100mm bore PVC (SWR) branch piece, double (double Y) equal or unequal complete all as specified and directed by Engineer-in-Charge (upto 04 storied high building).

Note: Schedule of credit (SCHEDULE OF CREDIT) amount of Rs ________ mentioned on Page No ____ shall be deducted from the total quoted amount of BOQ.

RADHA ENTERPRISE

PEARL CORPORATION

CHOWDHURY CONSTRUCTION CO