SPECIAL REPAIR TO ROOFS OF CERTAIN SMQS AND CIVILIAN QTRS AT 7BRD UNDER GE (AF) TUGHLAKABAD

Amount

Removing existing roof treatment and preparing surfaces to the entire satisfaction of Engr-in Charge /GE including taking down existing plaster, cleaning of all foreign material such as grass roots dust etc and roughening the concrete surfaces by wire brushes and washing down to remove dust/mud etc. flushing at junction of parapets complete and removing the same to the places where directed by Engr-in-Charge.

M&L for plain cement concrete (1:2:4) type B0 using 12.5 mm graded stone aggregate as in roof for maint, the uniform slope etc any thickness at any height and in any position complete all as specified and directed by Engr-in-charge at site.

M&L for 10 mm thick rendering in cement mortar (1:4) on brick work or concrete surfaces on other than fair face surface, surface finished even and smooth without using extra cement using waterproofing compound fair and complete all as specified and directed by Engr-in-charge

Supply only integral water proofing compound complete all as specified and directed by Engr-in-charge

M&L for applying water proofing treatment with APP modified polimeric membrane centre core of 100 micron HMHDPE, weight not less than 3 Kg/Sqm and clear thickness of membrane not less than 2 mm, on newly prepared surface with torch application as per manufacturer instruction complete all as specified and directed by Engr-in-charge with the following description :- (a) Apply evenly a coat of bituminous primer conforming to IS -3384 @ 0.40 Kg/Sqm. (b) A coat of bonding bitumen confirming to IS -702 of grade 85/25 @ 1.20 Kg/Sqm as a IInd course. (c) Laying of APP modified polymeric membrane (d) A coat of bonding bitumen confirming to IS -702 of grade 85/25 @ 1.20 Kg/Sqm as a forth course.

S&F in repairs of 15mm bore GI tubing, ISI marked, medium grade with all ISI marked fittings and fixed complete to wall or laid in floors including cutting grooves and making good in cm (1:3) or PCC (1:2:4) using 20 mm graded stone aggregate for concealed tubing, complete all as specified and as directed by Engr-in-Charge.

S&F in repairs of 20mm bore GI tubing, ISI marked, medium grade with all ISI marked fittings and fixed complete to wall or laid in floors including cutting grooves and making good in cm (1:3) or PCC (1:2:4) using 20 mm graded stone aggregate for concealed tubing complete all as specified and as directed by Engr-in-Charge.

Dismantling of water tank exc 250 but not exc 500 and removing to store complete all as specified and directed by Engr-in-charge

S&F of rotational moulded polyethylene water storage tank (cylindrical vertical with closed top), three layered, hoisted and fixed with position of 500 ltrs capacity including tank nipples complete all as specified and as directed by Engr-in-Charge.

Dismantling of water tank exc 500 but not exc 1000 and removing to store complete all as specified and directed by Engr-in-charge

S&F of rotational moulded polyethylene water storage tank (cylindrical vertical with closed top), three layered, hoisted and fixed with position of 1000 ltrs capacity including tank nipples complete all as specified and as directed by Engr-in-Charge.

S&F in repairs of gun metal gate valves with iron wheel head 20mm complete all as specified and directed by Engr-in-charge

M&L for preparing new surfaces and applying two coat of Polyurethene (PU) based Water proofing liquid compound as per manufacturer's instruction to stop leakage/seepage from roof/wall complete all as specified and directed by Engr-in-charge

M&L for 15 mm thick cement plaster with ready mix plaster (as per manufaturer's instruction) on fair faces of brick wall or concrete surfaces finished even and smooth, (without using extra cement) complete all as specified and directed by Engr-in-charge Note:- 1. Make of ready mix plaster shall be Birla Aerocon/Ultratech readiplast/ACC Accoplast / Fosroc Chemical (India) Pvt Ltd Renderoc and as approved by GE) 2. The ready mix plaster shall be procured directly from the manufacturer or their authorised dealer. 3 The contractor shall produced original purchase voucher alongwith test certificate of ready mix plaster by manufacturer or their authorised dealer while claiming RAR/ Final Bill.

M&L for 10 mm thick cement plaster with readymix plaster (as per manufaturer's instruction) on fair faces of brick wall or concrete surfaces finished even and smooth, (without using extra cement) complete all as specified and directed by Engr-in-charge. Note:-1. Make of ready mix plaster shall be Birla Aerocon/ Ultratech readiplast/ACC Accoplast / Fosroc Chemical (India) Pvt Ltd Renderoc and as approved by GE)2. The ready mix plaster shall be procured directly from the manufacturer or their authorised dealer.3 The contractor shall produced original purchase voucher alongwith test certificate of ready mix plaster by manufacturer or their authorised dealer while claiming RAR/ Final Bill.

M&L rendering 5mm thick in patches in cement mortar in (1:3) on ceiling complete all as specified and directed by Engr-in-charge

M&L for removal of old existing treatment of walls surfaces and applying a coat of white cement base wall care putty in patches as required and as directed by Engr-in-Charge finished even and smooth with sand paper and applying one coat of exterior weather proof water base emulsion paint in white or tinted complete all as specified and directed by Engr-in-charge. Note:- Quoted rate shall be deemed to be included for work in buildings/structure of any height.

M&L for preparation of old decorated plastered or unplastered surfaces of ceilling by brooming down or steel wire brushing, scrapping down smoke soot, moulds, moss and efflorescent salts and trading oil & greasy spots including cornices etc and applying one coat of white wash over a coat of white putty in patches as required complete all as specified and directed by Engr-in-charge.

M&L for preparation of old decorated plastered or unplastered surfaces of walls by brooming down or steel wire brushing, scrapping down smoke soot, moulds, moss and efflorescent salts and trading oil & greasy spots including cornices etc and applying one coat of oil bound distemper white or tinted over a coat of white putty in patches as required complete all as specified and directed by Engr-in-charge.

M&L for making good broken edges of chajjas slabs, facing, fins etc in patches area not exceeding 1 Sqm of each patch, height upto 12 metre, with 15mm thick cement plaster and sand mortar (1:3) or with PCC (1:2:4) type B-0 using 12.5 mm graded stone aggregate with necessary form work, finished the surface even and smooth without using extra cement complete all as specified and directed by Engr-in-charge.

M&L for cement concrete (1:5:10) type E2 using 40mm graded aggregate as in sunken portion of toilets complete all as specified and directed by Engr-in-charge

M&L for PCC (1:2:4) type B-1 using 20mm graded stone aggregate in CM (1:4) mixed with water proofing compound @ 3% by weight of cement for fixing of nahani trap or floor trap etc in position complete all as specified and directed by Engr-in-charge.

Demolition of cement concrete unreinforced of any description and in any position not otherwise specifically provided for & removing of rubbish from premises of defence land complete all as specified and directed by Engr-in-charge.

M&L for Applying evenly a tack coat of industrial bitumen 85/25 at the rate of 1.20 Kg/Sqm including cleaning of surfaces over newly plastered surfaces of sunken portion complete all as specified and directed by Engr-in-charge.

M&L for leakage/seepage proof coating consisting of preparing the surface of roofs, exterior walls, parapet, chajjas etc. with wire brush to remove all loose dirt, oil, grease etc. and filling cracks above 5mm thickness with Dr Fixit Pedilite URP or with plaster seal of STP Ltd and crack less than 5mm with Dr Fixit Crack X powder or with plaster seal of STP Ltd and applying Dr Fixit primeseal primer or STP Ltd (and allow today for 8hrs under touch dry condition and subsequently two coats of water proof decorative elastomeric coating system of Dr Fixit Raincoat with DFT 100 microns or shalicry 215 of STP (The surface after painting one coat shall be allowed to dry at least 6 hours before next coat) etc. complete all as per manufacture instruction and complete all as specified and directed by Engr-in-charge.

M&L for 15 mm thick Screed bed or bedding layer in CM (1:4) set and jointed in neat cement slurry and pointed with white or coloured cement to match complete all as specified and directed by Engr-in-charge.

S&F non skid ceramic coloured tiles of 7 to 8 mm thick (square/rectangular) area of each tile exc 0.18 Sqm but n.exc 0.38 Sqm in floors, complete all as specified and directed by Engr-in-charge.

S&F non skid ceramic coloured tiles of 7 to 8 mm thick (square/rectangular) area of each tile exc 0.11 Sqm but n.exc 0.18 Sqm with 15 mm thick Screed bed or bedding layer in CM (1:4) set and jointed in neat cement slurry and pointed with white or coloured cement to match in floors complete all as specified and directed by Engr-in-charge.

M&L for gunniting to RCC works in column,beams, slabs, chajja, facia, landing, balconies etc by removing/ dismantling of RCC(loose concrete) including plaster and cutting of steel bar including plaster cleaning of surfaces with wire brushes and applying epoxy, paint anti corrosive coating of minimum 40-50 microns thick with sikatop Armatec 108 or Colusal VL of MC Bauchemie to rusted steel reinforcement after removing cleaning all rust and supply and fixing welded steel wire mesh 75mm x75mm with 4mm dia steel wire as facies/drops and similar works etc and expoxy based or other equivalent suitable bonding against treatment to be carried out on old concrete surface with Sikadur 32 of Sikka. Nito bond EP of fosroc or equivalent (as per manufacturers instruction) to bond old and new concrete mixing @ 2% by weight of cement polycrete and providing gunniting with a minimum pressure of 2 to 2.5 Kg sqcm and applying 25mm to 100 mm thick gunniting in cement mortar (1:2) (one part of cement and two part of ghaghar sand) with 15 mm plaster (1:4)after gunniting using ordinary port land cement of 43 grade over wherever required at any height, complete all as specified and directed by Engineer-in-Charge. Note:-(i) After placing the additional reinforcement all concrete surface shall be thoroughly scrubbing with. (ii)Additional reinforced TMT bars where incorporated in work and including 20mm thick cement plaster in 1:4 to be included in quoted rate (iii) Work to be carried out as in patches as directed by Engr-in-charge.(iv) Rate for steel scaffolding as directed to be included in quoted rate.(v) All demolished material removed from MOD land completely.

M&L for mild steel 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 0.9 mm dia or securing with clips complete all as specified.

M&L TMT steel bars 6mm to 8mm dia and over cut to length bent shape required, including cranking bending binding with mild steel wire (annealed) not less than 0.9mm dia quality conforming to relevant IS complete all as specified.

Re-baring by drilling holes and fixing nozzle if required in existing concrete/brick work as in column, beams, slabs and foundation etc in any position and any description size of hole 14mm, 16mm & 22mm suitable for dowels of size 10mm, 12mm & 16mm respectively (minimum depth 140mm for 10mm & 12 mm dia bars and 180mm for 16mm dia bar, cleaning the surface properly with blow out pump & round brushes and fixing of dowel bars with epoxy resin (resin+hardner). Make: Sika, Fosroc or concressive 1450 of BASF complete all as specified and directed by Engr-in-charge. Note:- (i) Adequate lap length shall be provided as per IS-456-2000. (ii) Reinforced TMT bars where incorporated in work will be paid under item no 2&3. (iii) The work shall be carried out upto four storied building with scaffolding.

M&L for providing and applying corrosion resistance non-shrink free flow, cementitious one component Micro-concrete with average thickness 75mm having compressive strength (BS 4551-80-60) 50 MPA at 28 days, Tensile strength (ASTM C 348)-2.0 N/mm2 @ 28 days, Flexural strength (ASTM C 348)-9 epoxy bonding agent TM bond EP thermax having mix density of 1.45 to 1.5 kg/ltr, compressive strength (BS-6319 PT 3)-25 Mpa at 7 days bond strength (ASTM C 881)- 11 N/mm2 at 7 days, having an over lay time of 3 hrs at 30°C pouring of micro concrete into the formwork using suitable arrangement or if required using pumping device for and the bottom shuttering after 7 days ensuring proper bond between the micro concrete and existing concrete substrate etc including all tools and tackles as per accepting office, complete all as specified and directed by Engineer-in-Charge. Make : BS-66 Mucis of Thermax/Webac Chemicals/Chemco System or as approved by Accepting Officer.

akenterprises

Neeraj Enterprises

M/S S.K.Electricals