REHABILITATION OF DISTRESS CONCRETE MEMBERS, STRUCTURAL REPAIRS, REPAIR TO DAMAGE PORTION, FLOORING AND OTHER CONNECTED ITEMS, COMMON AREA, STAIRCASE, PARAPET, CHAJJAS AND CONNECTED ITEMS ETC AT NCHC POWAI UNDER GE (NW) BHANDUP

Amount

Chipping, removing carefully loose/damaged concrete including plastering from surfaces of RCC members, in any location by low impact Hammer/Breakar without damaging the structure & cleaning the surfaces with wire brush etc and disposal of debris out side MOD land complete all as specified and directed. Note: Hard concrete shall not be removed by force

M&L for cleaning existing reinforcement with wire/ rotary wire brush to a shining bright finish, making the surfaces free from loose material, dirt etc complete and applying two coats of alkaline rust converting primer conforming to ASTM-B-117 on rebars with time interval of 1 hour between the coats, complete all as specified and directed. (Note: Mode of measurement: superficial area of concrete will be measured).

M&L for carry out application of ‘Bi-polar migratory corrosion inhibitor on RCC surfaces, complete all as specified and directed. (Note:- Mode of measurement: superficial area of concrete will be measured).

M&L for Anticorrosive Treatment to Reinforcement using IPNET-RB by application on exposed reinforcement in two coats with time interval of minimum 4 hours between each coat. The application shall be done by brush after cleaning/wire brushing to the exposed steel surfaces complete all as specified and directed . Note :- Mode of measurement: superficial area of concrete will be measured.

M&L for Epoxy bond coat using NITOBOND-EP OR EPOXY BONDING AGENT as approved by GE over exposed concrete surfaces prior to application of any type of mortar / concrete to ensure bond between old concrete & new concrete/ new mortar by brush application, complete all as specified and directed.

M&L for providing Polymer Bonding Agent using MONOBOND OR NITOBOND-SBR as approved by the GE followed by flexible polymer based putty (1 cement: 1.2 finesand :20% polymer by weight of cement : water as required ) on cracks after cutting the cracks to a 'V' shaped groove upto 10 mm wide and 10 mm deep in structural RCC members , finished with spatula etc. complete all as specified and directed.

M&L for building up the profile of structural members using polymer modified mortar Molith PMM or Polymer mortar HB, while the bonding agent is still tacking upto 20mm thickness, including levelling, profiling etc, complete all as specified and directed.

M&L for building up the profile of structural members using polymer modified mortar Molith PMM or Polymer mortar HB, exceeding 20mm thick and not exceeding 40mm thick in two layers, each of equal thickness including levelling, profilling etc, complete all as specified and directed.

M&L for casting & repairing of excessively damaged distressed RCC members (exceeding 60mm in thickness) with prebatched, prepacked,single component ready to use microconcrete as appoved by GE, at any level/height and at any lead or lift as directed including prefabricated water tight formwork, centering, scaffolding, also including mixing, laying, levelling, finishing, curing etc as per manufacturers specifications and all other relevant works, complete all as specified and directed. Note: Reinforcement only shall be measured and paid separately)

S&F TMT bars 10mm dia & 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 directed.

S&F TMT bars 6 to 8mm dia, cut to length, bent to shape required including cranking, bending spirally for stirrups and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and directed.

Dismantling Asbestos cement/galvatume aluminium zinc ( corrugated semicorrugated, etc) sheets in roof coverings etc complete all as specified and directed.

S&F pre painted galvatume aluminium zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550mpa as in roof covering/clading to wall/chajjas upto 4 story bldg, fixed with self taping screws as specified.

S&F pre painted galvatume aluminium zinc coating GI based plain steel sheet 0.50mm thick of an colour having tensile strength of 550mpa as in roof covering/clading to wall/chajjas upto 4 story bldg, fixed with self taping screws as specified.

S & F Steel work in joist,channel,angle,or tee sections, fixed independently, without connecting plates, etc. including tubular poles/purlin/rafter/chajjas special shaped washer etc upto 4 story bldg using Fe 410-W(Gde-E-250 quality-A) complete as specified and directed.

M&L for preparation for two coats of synthetic enamel paint over on new steel /iron surfaces over one coat of red oxide primer complete all as specified.

M &L for providing cement concrete type B0 1:2:4 (using 12.5mm graded aggregate) in roof kerbs of mud stops, rounded or chamfered on edges including cuting grove in wall and making good complete all as specified and directed.

M&L two coat of antifungal acrylic paint exterior grade (100%Acrylic) over a one coat of primer including prepartion of newly plasterd surfaces of walls etc all specified on external surfaces. Note: The aforesaid treatment shall be got executed by the contractor from the authorised applicator of the manufacturer(s) and also necessary authenticated documents on account of above shall be submitted by the contractor to the GE.

M&L preparation of old undecorated surfaces of walls,soffits & fascias of chajjas etc and applying one coats of weather proof Acrylic based paint(100% Acrylic) antifungal exterior grade over a coat of primer complete all as per manufacturers instructions all as specified & directed by Engineer-in-charge. Note: The aforesaid treatment shall be got executed by the contractor from the authorised applicator of the manufacturer(s) and also necessary authenticated documents on account of above shall be submitted by the contractor to the GE.

M&L for preparation new plastered surfaces of ceiling and applying two coats of distemper over a coat of primer compelte all as specified and directed by Engineer-in-Charge.

M & L for preparation of new plastered surfaces of wall by brooming down smoke soot moulds moss and efflorecent salts and treating oil and greassy spots and thereafter applying two coat of white wash complete all as specified and directed

S & F PVC RWP ISI marked 110 mm bore with single sockted, in any length, fixed to walls with rubber ring joints, fixed in repairs complete all as specified and directed.

S & F PVC shoe 110 mm dia fixed to wall complete as specified.

S & F PVC bend 110 mm dia fixed to wall complete as specified.

S & F PVC RWP ISI marked 160 mm bore with single sockted, in any length, fixed to walls with rubber ring joints, fixed in repairs complete all as specified and directed.

S & F PVC shoe 160 mm dia fixed to wall complete as specified.

S & F PVC bend 160 mm dia fixed to wall complete as specified.

Taking down CI soil/waste and vent pipes of any length any size including fittings including cutting of holes wherever required.

S & F 110 mm bore PVC (SWR) Soil, waste and vent pipes single socketed in any length with rubber ring joints fixed to walls complete all as specified & directed.

S & F 110 mm bore PVC (SWR) bends of any radius complete all as specified & directed.

S & F 110 mm bore PVC (SWR) branch piece single (Single `Y') equal or unequal with access door complete all as specified & directed.

S & F 110 mm bore PVC (SWR) Vent cowl complete all as specified & directed

S & F 75 mm bore PVC (SWR) Soil, waste and vent pipes single socketed in any length with rubber ring joints fixed to walls complete all as specified & directed.

S & F 75 mm bore PVC (SWR) bends of any radius complete all as specified & directed.

S & F 75 mm bore PVC (SWR) branch piece single (Single `Y') equal or unequal with access door complete all as specified & directed.

S & F 75 mm bore PVC (SWR) Vent Cowl complete all as specified & directed

S&F bands, straps supports or stay heavy for large gates, hook and pintle hinges clamps, hold fasts, wall tiles, hooks for hanging fans and similar small articles conforming to Fe-290 Gde-E-165 complete all as specified and directed.

Taking up or down 25 mm bore GI tubing and connections with all fittings fixed to walls /ceiling/laid in floor etc complete all as specified and directed.

Suppling and laying of CPVC pipes SDR 11 of size 25mm & Plain CPVC SDR 11 Fitting on walls/ ceiling or laying in floors complete all as specified.

Taking up or down 20 mm bore GI tubing and connections with all fittings fixed to walls /ceiling/laid in floor etc complete all as specified and directed.

Suppling and laying of CPVC pipes SDR 11 of size 20 mm & Plain CPVC SDR 11 Fitting on walls/ ceiling or laying in floors complete all as specified.

Taking up or down 15 mm bore GI tubing and connections with all fittings fixed to walls /ceiling/laid in floor etc complete all as specified and directed.

Suppling and laying of CPVC pipes SDR 11 of size 16 mm & Plain CPVC SDR 11 Fitting on walls/ ceiling or laying in floors complete all as specified.

S&F in repairs 25mm Gun-metal, globe or gate valves with iron wheel head, screwed both ends for iron pipe and fixedcomplete all as specified and directed.

S&F in repairs 15mm bore stop valve/angle cock cast copper alloy ,chromium plated screwed down, high pressure with or without lettered hot or cold with long pipe complete all as specified and directed.

S&F in repairs PVC flushing cistern 10 ltrs capacity high level with inlet, ball valve, float and handle including brackets.

S&F in repairs 15mm bore bib taps, cast copper alloy with crutch or butterfly handle, fancy type, chromium plated, screwed for iron pipe or for brass ferrule, Make as approved by the GE, complete all as specified and directed.

S&F in repairs 15mm size PVC connection with PTMT nuts 450mm length, complete all as specified and directed.

S&F in repairs chromium plated shower roses 125mm size with or without swivel joint including fixing to steel pipe or union etc.complete all as specified and directed.

S&Fin repair wash down water closet (pedestal pattern) white and including plastic water closet seat cover as per reqd colour with flat bottom and cover and mild steel chromium plated or aluminium hinging device (excluding flushing cistern ) etc complete all as specified and directed..

S & F vitreous china squatting pan Orissa pattern WC of size 580mm x 440 mm, white, of standard quality with integral foot rest including trap complete including connecting to trap and flushing pipe, anti syphonage pipe and soil waste pipe etc including lime concrete filling complete all as specified and directed.

M&L for special treatment for sunken portion of WCs/ Bath & toilet executed in following stages:- Stage 1:- Demolition of WC including lime concrete and cement concrete coba etc and preparing the surfaces of existing sunken portion of WCs or bath etc with wire brush to remove all loose dirt, oil grease etc including removing debris outside MD land etc . Stage 2:- Providing 10mm thick plaster in CM 1:3 mixed with integral water proofing chemical in the proportion/quantity all as per Manufacture's instructions.Complete. Stage 3:- ApplyPrimeseal primer or Equivalent (and allow to dry for 8 hours) all as per Manufacture's instructions. Stage 4:- Apply two coats of water proofing elastomeric coating system Raincoats with DFT 100 Micron or shalicry 215 (The surface after painting one coats shall be allowed to dry of 6 hours before next coats) all as per Manufacturer's instructions. Stage 5:- Rendering 10mm thick in CM 1:3 mixed with Integral water proofing chemical Pidicrete URP or plaster seal all as per Manufacture's instructions. Stage 6:- All CI joints shall filled with mixture of cement fine sand and plaster seal of pidicrete URP all as per Manufacture's instruction. Stage 7:- Making holes in wall and fixing 600mm long 40mm dia medium grade GI spout for draining the surplus water if any . Stage 8:- Carry out ponding test for 48 hours to ensure water tightness of repaired sunken portion.water tightness of repaired sunken portion and filling of sunken portion for cement concrete Type E2 1:5:10 using 40 mm graded aggregate as in lean concrete complete all as specified and directed. Note:- (a) Only plan area shall be measured and accorded for payment under this item. (b) Depth of sunken portion of WC's/Baths shall be upto 35cm, which is to be taken into account while quoting the rate against this item. (c) Rate quoted by Contractor shall be deemed to be included for all the horizontal and verticale treated surfaces of sunken portions of WC & Bath.

M & L Non skid ceramic tiles (Coloured) 7 to 8 mm thick of each tiles (Square / rectangular) exc 0.06 sqm but n exc 0.11sqm in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match over and including 15 mm thick screed bed in CM 1:6 laying floor finished complete all as specified and directed, Non skid ceramic tiles conforming to IS 13755 of grade B11 (a) complete all as specified and directed.

M&L for glazed ceramic coloured tiles 300x200mmx7mm thick in vertical surfaces such as skirting/dado and risers to steps and including over 10mm thick rendering in CM 1:4 on fair faces of brick/concrete surfaces as in backing coat for tiles. etc, all as specified and directed.

S & F in repairs PVC (SWR) floor trap with grating including jointing to waste pipe of 100mm bore in cement concrete type B1 (1:2:4) fixed in repairs complete all as specified and directed.

S&F in repair stainless steel grating in ground shape 100mm dia complete all as specified and directed.

Taking down cement or cement lime mortar plaster, any description on brick or stone walls etc, including rackingout joints, hacking for key, scrubbing down with water etc complete as specified.

M&L for rendering 15 mm thick in CM 1:6 on brick walls finishing even and smooth without using extra cement etc complete all as specified and directed by EIC.

M&L for rendering 5 mm thick in CM 1:3 as in ceiling finished even and smooth without using extra cement etc complete all as specified and directed.

M&L 20 mm thick cement plaster in two coats using factory manufactured pre mix/ready mix, having minimum composition of C:S :: 1:4 using fully treated dry, well graded natural sand conforming to IS 383 suitable for external plastering having low rebound properties, low water demand for curing properties, mechnIcal mixing with water in a metalic tray only to make good consistency as per the specification of the Manufacturer and applied over exterior masonry and concrete surfaces with base coat of 12 mm thick and finishing coat of 8 mm thick final rendering,including using richer mix for making corners if necessary, at all floors and level, including making grooves of existing size wherever required, including cleaning the surfaces, curing etc. complete all as per specifications & as directed by the EIC (Note : - (i)Work shall be executed at Multiple places as per required and at any height upto five store bldg.(ii) Rate inclusive of supply and fix welded wire mesh of size 100 x 100 mm of 3 mm dia wire.

Supply only integral water proofing compound.

Dismantling of roof terracing cement / brick concrete (un-reinforced) and existing water proofing treatment of any thickness in any position and of any portion from top of roof of building, cleaning surface of roof with wire brush / mechanical brush and with water thoroughly to remove all dust / dirt and loose particles to expose base concrete roof slab and removal of rubbish / demolished material out of MD land complete all as specified.

M&L for PCC 1:2:4 Type B0 using 12.5 mm graded aggregate with 2% by weight of cement or as per manufacturer's instructions water proofing as in levelling course, haunching, coping and similar works over RCC roof surface and RCC over head tank top surface including rounded or chamferred on edges and formwork etc all as specified and directed. Note: Water proofing compound will be measured & paid seperately.

M&L for 10 mm thick cement plaster in CM (1:3) using water proofing compound @ 3% by weight of cement complete all as specified and directed BY Engr-in-charge ( Note : water proofing compound will be measured and paid seperately)

M&L for application of 7 layer of water proofing system on leaking roof / wall by through surface preparation, opening and filling of cracks, application of absorption coat of thermacool wp51, application of sandwich coat of elastomeric (thermacool wp51 + cement) waterproofing layer with 80 gsm non woven fibre mesh, application of 3 rd coat of elastomeric (thermacool wp51 + cement) waterproofing layer and topcoated with two coats of thermacool 0.3c elastomeric, waterproofing solar ir heat reflective coating having a min. service life of 10 years, including taking down of old roof treatement and taking out from govt land,complete all as specified and directed. (Rate inclusive of scaffolding at height upto 5th floor )

Supply and Application of 4 Layer SHR Waterproofing Coating System as per manufacturer application procedure on leaking concrete WALL surface by thorough surface preparation with high pressure water jet min. 125 bars, opening the cracks, followed by one absorption coat of nano-tech enhanced elastomeric waterproofing (NEEWP) emulsion having UV resistance and min. 50% solids, filling and sealing the cracks, then over coating with 2 Coats of NEEWP + Cement mixture as waterproofing coat having +450% Elongation followed by curing and then top-coated with 1 protective coat of SHR Coating - pure acrylic based, UV resistant, non-yellowing, bio-organism resistant (anti-fungal, anti-bacterial) conforming to BIS STD IS 17218:2019 with Pull off Adhesion 2.8 Mpa, passes 2000 hrs accelerated durability test, suitable for all types of cementitious surfaces, white colour, matt, surface coverage 3.25 SQM/Ltr/2 Coats, DFT 100 - 120 microns using brush, roller, airless spray gun as applicable. The product should be certified by NABL Approved Lab and application is to be done by company approved applicator only"

Demolition of reinforced cement concrete of any description and in any position not otherwise specifically provided for (reinforcement cut as required to facilitate demolition) complete and removing the retreived debris out side MD land, complete all as specified and directed.

Supplying and fixing in repair rotational moulded polythylene water storage tanks, double layered (ISI marked) of 2000 litres capacity (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part-I, including provision of necessary fittings for connecting the overflow, drain out, inlet and outlet pipes, complete all as specified and as directed.

Disconnecting existing tanks, capacity exc 1000 ltrs and n'exc 2000 ltrs, setting aside (or lowering if required) for repair, cleaning, etc. and hoisting if required reconnecting and re-fixing in position (cleaning, repairing etc measured separately) complete all as specified and directed.

S&F in repair Ball brass valves of size 20 mm bore high pressure, the polythene float and fly nut, screwed for iron pipe or brass frame etc, complete al as specified and directed.

S&F and mild steel framed work as in grills, greating and guard bar with end of bars shouldered and / or reveted or forged into spikes nad similar works confirming to Fe-410 and Fe-310.

M&L for injecting chemical GLYPHOSPHATE (4% concentration) of 20 ml or till refusal by making cut/injection in the stem of plant of roots at 30mm and spraying with solution 25 ml GLYPHOSPHATE (4% concentration diluted with 1 ltr of water) and removing the plant /vegetation complete all as specified and as directed.

Deduct Credit for Demolished/ Dismantled material Rs. (-) 28,700.00 (Minus) as listed in Schedule of Credit. Note 1:- Tenderers will not quote against this item being a tentative amount to be considered to arrive at the 'Contract Sum' Note 2:- The tenderer must keep in mind when quoting rates against items out in multiple store house having height 4 mts to 7 mts. Necessary scaffolding and saftey measures required during execution of work are including in this items.

archana enterprises (BID ID -3308289)

R.R.Construction.Co (BID ID -3308000)