REPAIR WORKS TO VARIOUS STRUCTURAL MEMBERS FOR P-36,P-10, P-24 AND MISCALLANEOUS WORKS AT ICGS KAVARATTI UNDER GE (NAVY) LAKSHADWEEP

Providing and erecting two legged metal tubular scaffolding (cup lock type) of width 1200 to 1500mm largely free standing by using H frames of tubular pipes of minimum 40mm diameter, with base plates fixed or adjustable with necessary clamps, coulders, brackets for projections, joint pins, pulleys and other accessories including steel angle or tubular pipe bracings at adequate intervals, access platforms of metal or timber planks of span not exceeding 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube challis, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work including provision of rubber inserts to pipe ends at point of contact with structure to avoid damage, including access ladders with intermidiate platforms, and scaffolding to be suitably braced and anchored to to the building using support systems created temporarily at the opening in walls using vertical and horizontal adjustable propson the exterior side of building structure, upto 25metre height, above ground level complete all as specified and directed.

Taking down cement plaster on brick / stone walls of any descrition including raking out joints to a depth of 20 mm, hacking for key, scrubbing down with water etc complete all as specified and directed .

Chipping /removing loose concrete upto reinforcement bars, without damaging the reinforcement, removing all the loose materials and to make all the exposed surfaces free from oil, dust and all impurities etc complete all as specified and directed .

Demolition of brickwork or PCC Block masonry, built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specified and as directed .

Pre -cast cement concrete block masonary with solid blocks exc 10 cm in width type C-1 1:3:6 (20mm graded stone aggregate) set in cement mortar 1:6 complete all as specified and as directed

Removing building rubbish materials (other than soil) to a distance of beyod 50m including loading and unloading complete all as specified and as directed

Application of Rust Converter : Providing and applying one coat of Alkaline Rust converting primer conforming to ASTM-B-117 to exposed existing rebars after removing and cleaning the loose rust by wire brush including allow to dry for 6-8 hours complete all as specified and as directed. Make : Reebaklens RR of M/s Fosroc or equivalent in M/s Sika, M/s STP

Application of Corrosion Inhibitor: Providing and applying one coat of concrete penetrating corrosion Inhibitor (surface applied) which works on Bipolar Inhibition Mechanism on entire concrete surface to be repaired by using brush or spray at 250 ml per Sqm per coat which is prior to application of first coat of anti corrosive coating to reinforcement complete all as specified and as directed. Make : Conplast CN of M/s Fosroc or equivalent in M/s Sika, M/s STP

Bond Coat : Providing and applying one coat of structural grade epoxy bond coat conforming to ASTM-C-882-87 by brush to the concrete surfaces which is applied prior to the application of polymer repair mortar / epoxy mortar / Microconcrete to have monolithic action between old concrete surface and new concrete surface complete all as specified and as directed. Make : Nitobond EP of M/s Fosroc or equivalent in M/s Sika, M/s STP

Providing Ready mix Micro Concrete jacketing to walls or beams of thickness upto 75 mm using Polymer modified cement premixed quartz sand aggregate packed in bags of standard manufacture, for high early strength of 40 N /mm sq.cm of approved brand. The dry product is to be mixed with 12.5% water by weight, along with washed and poured into rigid form work moulds and tamped properly including curing for 3 days and necessary shuttering work complete all as specified and as directed. Note : Weight of premixed micro concrete product consumed actually as per site requirement for the purpose of payment Make : Renderoc RG of M/s Fosroc or equivalent in M/s Sika, M/s STP

Repair with Polymer Modified Mortar (PMM) : Repairs to the deteriorated / damaged areas of RCC elements in the structure by using powder Polymer Modified repair mortar in one application of 25 mm thickness and subsequent layer shall be with one bond coat of Polymer modified cement slurry. The polymer modified repair mortar shall be mixed, applied and cured as per manufacturer technical specifications and polymer modified mortar is applied when the epoxy bonding coat is still tacky complete all as specified and as directed. Make : Renderoc S2 of M/s Fosroc or equivalent in M/s Sika, M/s STP

Additional Reinforcement : M&L CRS TMT steel reinforcement of specified /required sizes including cutting, bending and fixing in position and shapes in the form of main rebars, stirrups and rings, distribution rebars etc., and tying them to shear connectors using GI binding wire and the bars shall be coated with two coats of Anti corrosive protective coating including dry sand to be sprinkled on second coat complete all as specified and as directed.

M&L Chemical Anchor Fasteners M8 x 80 foil capsule (HVU) & M8 x 110 Rod of Hilti Make or equivalent confirming to IS 1367 (Part 3) at required locations and level including drilling the hole, cleaning with blow pump and anchoring the bolt with chemical as per manufacturers instructions complete all as specified and as directed.

M&L Chemical Anchor Fasteners M10 x 90 foil capsule (HVU) & M10 x 130 Rod of Hilti Make or equivalent confirming to IS 1367 (Part 3) at required locations and level including drilling the hole, cleaning with blow pump and anchoring the bolt with chemical as per manufacturers instructions complete all as specified and as directed.

M&L Chemical Anchor Fasteners M16 x 125 foil capsule (HVU) & M16 x 190 Rod of Hilti Make or equivalent confirming to IS 1367 (Part 3) at required locations and level including drilling the hole, cleaning with blow pump and anchoring the bolt with chemical as per manufacturers instructions complete all as specified and as directed.

M&L Waterproofing Treatment to the Chajja by finishing top surface with plastring 20 mm thick in CM 1:2 mixed with approved liquid water proofing compound as per manufacturers instructions and neat cement finish including drip moulding at edge ,at bottom of chajja and cement vatta above chajja along the junction with wall etc complete all as specified and as directed. Note : Liquid water proofing compound will be measured and paid separately.

M&L Rendering 15mm thick in CM 1:4 mixed with approved liquid water proofing compound as per manufacturers instructions on fair face of brick or concrete surfaces finishd even and smooth with out using extra cement including racking out joints, hacking of concrete surface, finishing, curing, scaffolding etc complete all as specified and as directed. Note : Liquid water proofing compound will be measured and paid separately.

M&L Rendering 10mm thick in CM 1:3 on fair face of brick or concrete surfaces finishd even and smooth with out using extra cement including racking out joints, hacking of concrete surface, finishing, curing, scaffolding etc complete all as specified and as directed.

M&L finishing plastered wall surfaces / concrete surfaces, steel or wood surfaces in line and level for acrylic (oil bound) distemper/ synthetic enamel paint or plastic emulsion paint by scrapping/removing the old paint if any with wire brush or blades and rubbing, with sand papers as required, filling in cracks in cement mortar 1:3 and applying the whole surface with mixture of whiting powder or plaster of paris and double boiled inseed oil of premium quality or synthetic enamel paint, filling the cracks with premium quality putty or hard glue in case of woodwork, rubbing down and even up the surface by any approved means etc. complete all as specified and as directed.

M &L two coats of acrylic plastic emulsion paint over a coat of primer of approved make and colour on plastered surfaces at all height and locations as directed including scaffolding, cleaning and preparing surfaces by any approved means complete all as specified and as directed.

M&L Insert powerthrow of Krishna Conchem sustained release corrosion inhibiting caplets which protect both anodic & cathodic sites and reduces corrosion potential Ecorr by Minimum 80mV in conductive medium, by drilling 20 mm holes into the concrete at a depth of 25 mm and insertsto be filled by EPCO-PCPutty etc. complete all as specified and as directed.

Providing waterproofing treatment to existing RCC walls or columns of basement by giving INJECTION wherever necessary with approved liquid waterproofing compound and cement solution into the RCC walls or columns utpo 30cm height above ground level structure after removing existing plaster / finish etc complete. All inherent holes cavities, voids and honey combs shall be filled upto make the structure consistent homogenous resistant to water leakage, seepage dampness and moisture etc including the walls or columns shall be finished smooth with jointless cemet plastring 12 to 15mm thick in CM 1:3 with mixing of approved liquid waterproofing compound medium smooth complete all as specified and as directed. Note : (i) The thickness of the treatment shall not be less than 25mm (ii)The actual area treated will be measured for the purpose of payment. (iii) Liquid water proofing compound will be measured and paid separately.

Providing and laying integral cement based water proofing treatment including preperation of surface as required for treatment of roofs, balconies, terraces etc., consisting of following :- (a) Applying a neat cement slurry coat of using 2.75 Kg/sqm of cement admixed with approved liquid water proofing compound confirming to IS 2645 over the RCC slab including adjoining walls upto 300 mm height and cleaning the surface before treatment. (b) Laying brick bats with mortar using broken bricks/ brick bats 25mm to 115mm size with 50% of cement mortar 1:5 ( 1 Cement : 5 Coarse sand) admixed with approved liquid water proofing compound conforming to IS: 2645 over 20mm thick layer of cement mortar 1:5 (1 Cement :5 Coarse sand) admixed with approved liquid water proofing compound to IS : 2645 a to required slope and treating similarly the adjoining walls upto 300mm height including rounding of junctions of walls and slabs. (c) After two days of proper curing applying a second coat of cement slurry using 2.75 Kg/ sqm of cement admixed with approved liquid water proofing compound conforming to IS: 2645 (d) Finishing the surface with 20mm thick jointless cement mortar 1:4 (1 Cement : 4 Coarse sand) admixed with approved liquid water proofing compound. Note : (i) Liquid water proofing compound will be measured and paid separately.

Removing existing water proofing layers of I.P.S. with bituminous joint and brick bat concrete over the existing terrace floor, chujja, top of head room slab and canopy including cement vata and exposing RCC slab top complete all as specified and as directed.

Providing and laying of water proofing treatment to vertical and horizontal surfaces of depressed portion of WC, Kitchen and the like consisting of following :- (i) Ist course of applying cement slurry @ 4.4kg/sqm mixed with approved liquid water proofing compound conforming to IS 2645 in recommended propotions including rounding off junction of vertical and horizontal surfaces. (ii) IInd course 20mm cement plaster 1:3 mixed with approved liquid water proofing compound in recommended propotions including rounding off junction of vertical and horizontal surfaces.(iii) IIIrd course of applying blown or residual bitumen applied hot at 1.7kg/sqm of area. (iv) IVth course of 400 micron thick PVC sheet.(Over lap at joints of PVC sheet should be 100mm wide and pasted to each other with bitumen @ 1.7kg/sqm.) Note : (i) Liquid water proofing compound will be measured and paid separately.

Supply only Liquid water proofing compound

Preperation of new plastered surface of walls and apply one coat of alkali resistant primer and two coats of distemper oil emulsion complete all as specified and as directed.

Preperation of old plastered surface of walls and apply one coat coats of distemper oil emulsion complete all as specified and as directed.

Preperation of new plastered surface of ceiling and apply one coat of alkali resistant primer and two coats of distemper oil emulsion complete all as specified and as directed.

Preparation of newly plastered surface of wall and applying two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm complete all as specified and as directed .

Complete removal of existing treatment and applying two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm complete all as specified and as directed .

Demolition of cement concrete (unforced) of any description and in any position not otherwise specifically provided for including cutting of reinforcement, as required to facilitate demolition complete all as specified and as directed .

Rendering 15mm thick in CM 1:3 on fair faces of brick work or concrete surfaces, mixed with approved water proofing liquid and finishing the surface evem and smooth without using extra cement, complete all as specified and directed. NOTE : Water proofing liquid shall be measured and paid separately under respective item of this schedule.

M&L applying Nitroproof 608 Pa, minimum 0.8 dft over a priming coat of equivalent product on horizontal and vertical surfaces all as manufacturer instruction as in slab / wall surfaces complete all as specified and directed Note :- Fill with water and check for dampness and seepage. In case the slightest indication of seepage/leakage is noticed, the same shall be rectified by the injection grouting to seal all cracks or application of polymer modified mortar FORSRO Nitrobond SBR or equivalent product admixture the integral WPC or cementitious crystaline waterproofing compound in the effected area to seal all cracks and micro cracks if any additional coat of Nitroproof 600Pa. This shall be done by contractor at his own cost.

M&L PCC 1:5:10 type E2 by using 40 mm graded stone aggregate as in mass concreet / sunken floors complete all as specified and directed.

M & L 25mm thick cement concrete 1:2:4 type B0 by using 12.5mm graded aggregate in floor,finished even and smooth with out using extra cement complete all as specified and directed.

M & L joint free coloured non skid ceramic tiles 7 to 8mm thick area of each tile exc 0.18 sqm but n.exc 0.38 sqm, in floors etc, set and jointed in neat cement slurry and pointed in white or coloured cement to match including screed bed 1:4, 15mm thick complete all as specified and as directed

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), and rubbish off the premises complete all as specified and directed.

M & L Glazed ceramic coloured tiles in vertical surfaces as in dados 450mm x 350mm x 7 mm thick, coloured including designer pattern, set and jointed in neat cement slurry and pointed in white cement with pigment to match over and including 10 mm thick rendering in CM 1:3 complete all as specified and as directed.

Taking up or down 20mm bore steel tubing and connection complete all as specified and as directed.

S&F 20mm bore(OD) CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings in trenches/ walls and ceiling complete all as specified and as directed.

S&F in repair bib taps, brass chromium plated, fancy type, long body, screwed down, screwed for 15mm bore iron pipes or brass ferrule, complete all as specified and as directed.

S&F in repair 15mm dia fancy type angle cock of brass chromium plated with long shank screwed for iron pipe and fixed complete all as specified and as directed.

S&F in repairs 15mm bore pillar taps brass chromium plated, fancy type, foam flow, screwed down high pressure screwed for iron pipe complete all as specified and as directed.

S&F in repairs 15mm dia fancy type concealed stop cock with flange of brass chromium plated with long shank screwed for iron pipe and fixed complete all as specified and as directed.

S&F in repair CP swivel overhead shower (ABS chrome) of with brass arm 150mm (with flange) for fixing with 15mm pipe complete all as specified and as directed.

S&F in repair CP towel rod 600mm long complete all as specified and as directed.

S& F fixed in repairs corner glass assembly consists of 5.5mm thick sheet glass shelf 12cm wide fixed with and including chromium plated brass screws and wooden/plastic cleats with CP bracket, guard railing 60cm long complete all as specified and as directed.

S & F in repairs Vitreous china wash hand basin, white, flat back, of size 630x450mm, including pedestal with plug and porcelain stopper, brackets, waist coupling brass CP 32mm all complete all as specified and as directed

S&F Towel Ring of CP fixed with and including Chromium plated brass screws and wooden/plastic cleats complete all as specified and as directed.

S&F as in repairs Stainless steel gratings with frame, 127 mm dia, with hole for waste pipe connection complete all as specified and as directed.

S&F in repairs Vitreous china wash down water closet pan (pedestal pattern), white, complete with trap, fixed to floor with fixing bolts and seat cover, including connection to drain (or out going pipe) and to flushing pipe, anti - syphonage pipe etc., including making good to floorcomplete all as specified and as directed.

S&F Plastic water closet seat cover any colour, closed pattern with flat bottom and mild steel chromium plated or aluminised hinging device fixed complete all as specified and as directed.

S&F fixed in repairs 15mm size PVC connections 450mm long between ends with 2 Nos. brass nuts and washers, complete all as specified and as directed.

S&F in repair PVC 10 Ltr capacity flushing cistern white, inlet, ball valve, float and handle on existing brackets and jointing with existing flush pipe and making good to the disturbed surfaces complete all as specified and directed.

S&F in repair Health faucet, CP, with 1 metre flexible tube with wall hook complete all as specified and as directed.

S&F fixed in repairs PVC waste pipe, 32 mm dia, 750mm long, suitable for Kitchen sink, complete all as specified and as directed.

S&F toilet paper holder with flat recessed type stainless steel complete all as specified and directed.

S&F PVC bends of 75 mm dia with access door complete all as specified and directed.

S&F PVC (SWR) 'P' trap suitable for 110mm/100mm bore of pipes complete all as specified and as directed.

Taking down old chawkats or frams with shutter(without taking off shutters from frame) exc 1.5 sqm but not exc 4 sqm each complete all as specified and as directed. .

S & F Anodised aluminium window and ventilator shutters with powder coated (minimum thickness of powder coating 50 micron) , sliding type without sash bar, aluminium section weighing 0.55 kg/m including necessary joining cleats, glazing clips, rubber packing, anodised aluminium snap beading, screws anodised aluminium fittingsuch as ,Aluminium hines type B-21, 100 mm long (2 Nos) Suitable handle (1 Nos) complete all as specified and as directed.

S &F Powder coated Alumnium frame with minimum thickness of 50 micron powder coating for doors ,windows ,ventilators with one or more rebates including pining cleat for fixing etc, complete all as specified and as directed.

S&F Alurninium powder coated grill (anodised transparent or dyed to required shade according to IS 1868 with rninirnurn anodic coating of grade AC 15) of approved design/pattern with approved standared section and fixed to the existing window frame with CP brass /stainless steel screws @ 200mm c/c, including cutting the grill to proper opening size for fixing and operation of handles and fixing approved anodised aluminium standard section around the opening complete all as per requirement and as directed.

S&F sheet glass 4.8 mm thick ordinary quality and glazing with putty each pane n.exc 0.50 sqm fixed in steel / wooden/aluminium frame complete all as specified and as directed.

S&F sheet glass 5.5 mm thick ordinary quality and glazing with putty each pane n.exc 0.50 sqm fixed in steel / wooden/aluminium frame complete all as specified and as directed.

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