Special repair to certain Married Accommodations at VSB at 7 BRD, AF under GE(AF) Tughlakabad

Amount

M&L for gunniting to RCC works in column beams, slabs, chajja, facia, landing, balconies etc by removing/ dismantling of RCC (loose concrete) 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 thick gunniting in cement mortar (1:2) (one part of cement and two part of ghaghar sand) using ordinary port land cement of 43 grade over wherever required, 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 (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.

Taking down cement plaster on brick, stone walls and concrete surfaces of any description/position etc including racking out joints, hacking for keys scrubbing down with water etc complete all as specified and directed by Engr-in-charge.

Demolition of RCC of any descrition and in any position not other wise specially provided for complete all as specified and directed by Engineer in Charge (reinforcement cut as required to facilitate demolition)

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 for 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 0.9 mm 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) complete all as specified and directed by Engr-in-charge. Make: Sika, Fosroc or concressive 1450 of BASF 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 4&5. (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 officer complete all as specified and directed by Engr-in-Charge. Make: BS-66 Mucis of Thermax/Webac Chemicals/Chemco System or as approved by Accepting Officer.

M&L for 15mm thick (10+5) rendering in cement mortar (1:4) on fair faces of brick or concrete surfaces finished even and smooth without using extra cement complete all as specified and directed by Engr-in-Charge.

M&L for 5mm thick rendering in cement mortar (1:3) on concrete/gunniting surface as in ceiling finished even and smooth w/o using extra complete all as specified and directed by Engr-in-charge

M&L for preparation of old plastered surfaces of walls and applying one coat of Oil Bound distemper of approved tint, complete all as specified and directed by Engr-in-Charge.

M&L for two coats of cement base paint over a coat of primer on newly plastered surface of walls incl preparation the surface complete all as specified and directed by Engr-in-Charge. (External)

M&L for Preparation of old surface one coat of cement base paint complete all as specified and directed by Engr-in-Charge.

M&L for preparing newly surfaces of ceilings and applying three coat of white wash on new surface complete all as specified and directed by Engr-in-Charge.

S&F of ERW or induction butt welded M.S square/circular tube M.S pipe etc conforming to IS-1161-1979 garde grade YST 240 fixed with fastener complete all as specified and directed by Engr-in-Charge.

S&F of preparation new surfaces two coat of synthetic enamel paint of any description over 10 cm in width or girth not otherwise described with red oxide primer complete all as specified and directed by Engr-in-Charge.

M&L for cutting chases not exceeding 10 cm girth in brick wall and making good in cement mortar (1:3) for embedding of GI sheet in wall complete all as specified and directed by Engr-in-Charge.

S&F Pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm of an colour having tensile strength of 550Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and directed by Engr-in-Charge.

S&F rolled sections as in framing for clading, glazing and the like etc fixed with angle clips and connecting plates etc FE 410 W Gde E-250 quality B fixed with fastner complete all as specified and directed by Engr-in-Charge.

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 etc. flushing at junction of parapets complete and removing the same to the places where directed by Engr-in-Charge.

M&L for reinforced cement concrete 1:2:4 type B1 (using 12.5mm graded stone aggregate) as in roof for uniform slope etc any thickness at any height and in any position complete all as specified and directed by Engr-in-Charge.

M&L for 10 mm thick rendering in cement mortar (1:4) on vertical surfaces of brick/concrete surfaces walls finished even and smooth without using extra cement using water proofing compound complete all as specified and directed by Engr-in-Charge. Note:- WPC will be measured and paid separately.

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 polymeric membrane centre core of 100 micron HMHDPE, weight not less than 3 Kg/Sqm and clear thickness of membrane not less than 3 mm, on newly prepared surface with torch application as per manufacturer instruction complete all as specifid and as directed 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. © Laying of APP modified polymeric membrane , 100 micron HMHDPE, having outer film 20 micron each, 3mm thick , weight @ 3 Kg/Sqm as a IIIrd course. (d) A coat of bonding bitumen confirming to IS -702 of grade 85/25 @ 1.20 Kg/Sqm as a forth course.

M&L for Cutting grooves in brick wall, 75mm wide and 65mm deep and shaping horizontal face of groove with cement mortar 1:3 complete all as specified and as directed.

M&L for PCC(1:2:4) type B-0 using 12.5mm graded stone aggregate as in lintels upto 1..5 m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs not provided for in Item 04028, water troughs and the like including weathering, slightly rounded for chamfered angles and throating, complete all as specified and directed by Engr-in-Charge.

M&L for 15mm thick screed bed or bedding layer in cement mortar 1:4 complete all as specified and directed by Engr-in-Charge.

M&L for Cement concrete tiles 25cm x 25cm x 22mm thick, machine pressed; set jointed and pointed in neat cement slurry in floors, and cut and polished with gray cement and no pigment complete all as specified and directed by Engr-in-Charge.

S&F of PVC (SWR) pipes single socketed110mm dia in any length with rubber ring joints fixed to walls complete all as specified and directed by Engr-in-Charge.

S&F of PVC (SWR) bends 110mm dia any radius complete all as specified and directed by Engr-in-Charge.

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