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| 1 | Taking down of old roof treatment of any description including mud phushka, concrete padding, tiles, cement plaster from roof surfaces etc including cleaning, brushing and watering to joints and grooves and throwing the same to a distance exc. 250 mtr and not exc 500 mtr from the roof etc complete all as specified and directed. |
| 2 | M&L for repair of all visible hairline cracks on concrete roof / screed more than 0.50 mm and not giving hollow sound, should be cut and widen in V shape with mechanical cutter in the size (10mm W x 6mm D). Fill cracks withPU sealant / Hybrid Sealant with suitable gun and smoothed with a putty knife or trowel. Allow sealant to cure a minimum (72 Hrs.) 3 days etc complete all as specified & directed. |
| 3 | M&L for Plain cement Concrete 1:2:4 type B-0(using 12.5 mm graded stone aggregate) 25 mm thick average as in roof padding/ levelling finish even and smoothetc complete all as specified & directed. |
| 4 | M&L for cutting grooves in brick /concrete wall, 75mm wide and 65mm deep and shaping horizontal face of groove with CM 1:3 complete all as specified and as directed. |
| 5 | M&L for Providing cement concrete 1:2:4 type B1(using 20 mm graded stone aggregate) in roof kerbs or mud stops, rounded or chamfered on edges or water tank staging, coping etc finished even and smooth complete all as specified and directed. |
| 6 | M&L for applying Smartcare Damp proof, a fibre reinforced elastomeric liquid water proofing membrane formulated with reinforcing acrylic fibers having Sun Reflectivity Index (SRI) of 105 on horizontal/vertical surfaces of roof/wall/chajjas in multiple coats @2.0 litre/sqm. Primary coat is self-priming coat of elastomeric waterproofing liquid (dilution with water in the ratio of 3:1, damp proof: water) and other coats to be applied undiluted. (ii) The undiluted 2nd & 3rd coatings needs to be reinforced with 40 GSM geotextile to be sandwiched between them. (iii) After that final 4th coating shall be applied.The application shall be carried out after scrapping and properly cleaning the surface to remove loose particles with wire brushes complete all as specified and as directed. Notes:-(a) The work shall be executed through authorised applicator of manufacturer only.(b) Authrised Applicator shall be approved by GE before starting of work.(c) All materials shall be procured directly form manufacturer.(d) The contractor shall furnish a written guarantee for the effectiveness of the water proofing treatment for a period of Eight years in favour of GE. |
| 7 | Applying the non shrink high mechanical strength properties epoxy based mortar @ 5kg/RM on all corner joints of wall to prevent the capillary formation from wall to roof area; by three component system comprising of base, hardener and quartz filler havingER Base and Hardener with Quartz filler etc complete all as specified & directed. |
| 8 | M&L for applying bonding agent for bonding old to new concrete surface likes chajja/ beam/ceiling/facia etc by high performance modified Styene- Butadiene Rubber (SSR) base binder. Applying of binder is as 10 Sqm/ per lits etc complete all as specified & directed. |
| 9 | M&L for applying 25 mm thick (average) repair mortar ready to use single component polymer modified repair mortar for repair of Rcc members likes beams, columns, chajja and facia/ ceiling, mortar having good compressive strength and shrikage resistance etc complete all as specified & directed. |
| 10 | M&L for applying Injection grouting in all RCC members like beam, column, slab, corners of RCC joints etc of building as specifed and directed by Engr-in-charge, procedure as follows:-(i) Drilling Holes of 12mm dia upto 100mm deep in structural members at the interval of 300mm in staggered manner or along the crack line in RCC structural member including cleaning of the holes by air blower and M&L for inserting 12mm dia NRV nozzles compatible with epoxy injector and having machined external end to receive outlet of Grouting Gun. Fix the nozzles inside the hole by applying thixotropic epoxy adhesive to ensure complete sealing and allow curing the system for minimum of 8 hrs before grouting: Cut and remove nozzle projections, excess putty, if any, over concrete element by grinding, levelling and finishing the external surface, after completion of the work, etc complete all as specified and directed. The rate shall include scaffolding and other necessary works.(ii) Providing and injecting two part, low viscous, high strength epoxy resin based moisture insensitive liquid using pressure injector with accessories till nozzle refuses to accept the grout including mixing of grout material components in adequate proportions as per manufacturer\"s instructions by weight batching and grouting the mixed material into the structural member by grouting gun, maintaining desired pressure in the gun by air compressor and maintaining pressure at exit about 2 to 3 kg/cm2 by monitoring pressure guage at exit. The mixed grout should have following properties:- (i) Mixed Density 1.1 kg/I (at + 27°C); Viscosity ~ 250 mPas at + 30 °C and should comply according to ASTM C 881, Type II and IV, Grade-1, class E+F (i° Compressive strength >+ 70 N/ sqmm (7 days) according to ASTM C 579; Tensile Strength ~ 50 N/sqmm (after 7 days at +30°C cure) (According to ASTM D 638); Tensile Modulus ~2000 N/sqmm (after 7 days at +30°C cure) (According to ASTM D 638); (i) Bond Strength ~ 10.8 N/sqmm (failure in concrete) after 14 days at +30oC cure; Flexural strength ~ 50 N/sqmm according to ISO 178. (iv) Seal the nozzle with thixotropic epoxy adhesive after the refusal of grout material from the nozzle. Rate inclusive of all material, nozzle, tool & plants and any other necessary arrangements required for the procedure as mentioned above. |
| 11 | Demolition of brick work or stone masonry including all quoins,arches,pillars etc built in CM complete all as specified & directed. |
| 12 | M&L for Brickwork with subclass ‘B’ bricks, straight or curved on plan exc 6m mean radius built in CM 1:6 complete all as specified & directed. |
| 13 | Taking down cement plaster on wall/ceiling/roof etc including raking out joints, hacking for key scrubbing down with water etc completed all as specified & directed. |
| 14 | M&L for rendering 15mm thick in cement mortar 1:4 on brick work, concrte/ stone masonry surfaces, mixed with water proofing compound finished even and smooth without using extra cementcomplete all as specified and directed. Note : (i) The quoted rate is inclusive of necessary scaffolding works. (ii) WPC shall be measured and paid under relevant item. |
| 15 | Supply only liquid water proofing compound @ of 200ml per bag of cement complete all as specified and as directed. |
| 16 | M&L for preparation of new plastered surfaces of wall and applyingtwo coats of cement base paint over a coat of primer complete all as specified and directed. |
| 17 | Disconnecting existing water tanks setting a side capacity exc 250 & n exc 500 ltrs and repairing, cleaning and removing all scale and dirt etc from tanks and from mouths of circulaiting pipes and cleaning with bleaching powder,hoisting if required/ removing and re-fixing in same and writing Date of Cleaning including fitting etc complete all as specified and as directed. |
| 18 | Cleaning and removing all scale and dirt etc. from tanks and from mouths of circulating pipes etc capacity of tank exc 250 ltrs but n.exc 500 ltrs complete all as specified and as directed. |
| 19 | S&F in repair 20mm ball valves high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe and fixed in 20mm dia pipe. (Minimum weight 15mm-142gms, 20mm-210gms, 25mm-455gms, 40mm-690gms) complete all as specified and directed. |
| 20 | S&F of 500 litres capacity Rotational moulded polyethylene water storage tanks (Cylindrical vertical with closed top) hoisted and fixed in position including 20 mm dia PVC float valve & nipple complete all as specified and as directed in SSR Part-I including dismantling of storage tank removing from site complete all as specified and directed. . |
| 21 | S&F of 20mm ball valves high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe and fixed in 20mm dia pipe. (Minimum weight 15mm-142gms, 20mm-210gms, 25mm-455gms, 40mm-690gms) complete all as specified and directed. |
| 22 | S&F for in repair gun metal globe/gate valve with iron wheel head screwed both ends for iron pipe of 20mm bore complete all as specified and directed. |
| 23 | Taking up or down 20 mm dia steel tubing /PPR pipe connections etc, including cleaning for Refixing orremoval to store complete all as specified and directed. |
| 24 | Taking up or down 25/ 32 mm dia steel tubing /PPR pipe connections etc, including cleaning for Refixing orremoval to store complete all as specified and directed. |
| 25 | S&F 20 mm bore GI tubes medium grade, galvanised with all fittings and fixed complete to walls and ceiling or laid in floors complete all as specified and directed. |
| 26 | S&F 25 mm bore GI tubes medium grade, galvanised with all fittings and fixed complete to walls and ceiling or laid in floors complete all as specified and directed. |
| 27 | Taking down eaves gutters and rain water pipes (any size 75mm to 110mm of any pattern) of any description and in any position including all fittings, heads, shoes, bend, swan necks etc (measured overall as fixed along the centre line over fittings and accessories) complete all as specified and as directed. |
| 28 | S&F for 75mm dia PVC (SWR) pipes single socketed, in any length with rubber ring joints fixed to walls complete all as specified and as directed. |
| 29 | S&F for 110mm dia PVC (SWR) pipes single socketed, in any length with rubber ring joints fixed to walls complete all as specified and as directed. |
| 30 | S&F for 75mm dia PVC (SWR) pipes single socketed, in any length with rubber ring joints laid in trenches or in floors complete all as specified and as directed. |
| 31 | S&F for 110mm dia PVC (SWR) pipes single socketed, in any length with rubber ring joints laid in trenches or in floors complete all as specified and as directed. |
| 32 | S&F for 110mm dia PVC (SWR) bends any radious complete all as specified and directed. |
| 33 | S&F for 75mm dia PVC (SWR) bends any radious complete all as specified and directed. |
| 34 | S&F Stack clamps made out of50 mm by 5 mm flat iron and 16 mm dia around iron stays including boltand nuts for securingends of stays to walls or roofs, bore pipe 100 mm dia pipe complete all as specified and as directed. |
| 35 | S&F Stack clamps made out of50 mm by 5 mm flat iron and 16 mm dia around iron stays including boltand nuts for securingends of stays to walls or roofs, bore pipe 75 mm dia pipe complete all as specified and as directed. |
