GE I R AND D/CHD-20/2023-24 CERTAIN REPAIR TO DRAINAGE COMPOUND WALL, FENCING AND ALLIED SERVICES IN SECTOR 28,29,30 AND RCMA AT CHANDIGARH

Amount

Demolition of reinforced cement concrete as in cover slabs and walls, basement walls and in foundation complete all as specified and directed

Demolition of cement concrete (un-reinforced) in ground floors and paving not exc 15cm thickness (below or above ground level) complete all as specified and directed : Note ( Reterived Material disposed off in low line area at any distance).

Demolition of brick or stone masonry work, built in cement mortar incl all quoinns, arches, pillars etc but excluding ashlar facings, dressed stone work complete all as specified and directed.

Taking down existing plaster of any description on brick wall/ concrete surface in facia,chhajjas,balconies,roof/ceiling at any floor (upto G+3) including racking out joints, hacking for key, scrubbing down with water etc. complete all as specified and directed

Dismantling of wrought iron mild steel work of any description or from nay position complete all as specified and directed.

Material and labour for brick work with sub class 'B' old size bricks straight or curved on plan exc. 6m mean radius built in cement mortor (1:6) and including taking out roots ,of bushes/vegetation groth upto 120 cm complete all as specified and directed.

All as per serial Item no 6.00 above except bricks complete all as specified and directed

Material and labour for rendering 15mm thick in CM (1:4) on fair faces of brick/concrete surfaces of walls mixed with water proofing compound and finished fair and even (without using extra cement )and including taking out roots ,of bushes/vegetation groth upto 120 cm complete all as specified and directed. (Note : WPC will be measured and paid separately and The rates quoted in this item are inclusive of providing necessary scaffolding and other requisite arrangements , cost of T&P , all safety devices etc complete.)

Material and labour for preparation of newly plastered surfaces and applying two coats of weather proof exterior emulsion paint over and including one coat of primer on walls complete all as specified and directed

Material and labour for providing precast RCC cover slab (1:2:4) type B-1 (for man holes, drain cover etc) (using 20mm graded stone aggregates) including necessary use and waste of formwork and set in CM (1:6) complte with joints to match all as specified and directed.

Materials and labour for plain cement concrete (1:2:4) type B1 using 20mm graded aggregate as in surface channels and drains including Form works complete all as specified and directed.

Material and labour for TMT bars 10mm dia and over, cut to length, bent to shape required incl cranking, bending spirally for hooping for columns,plinth band, lintels etc hooking ends and binding with a including mild stell wire (annealed) not less than 0.90mm dia or securing with clips quality conforming complete all as specified and directed

Fixing only of framed work such as grills, gratings etc wth ends of bars shouldered and/or riveted, or forged into spikes, framed guard bars, barred ,iron doors,Ms Plain sheet, XPM, ladders, framed balusters, walk way, railings, framedwork of water tanks and similar work confirming to Fe 290 Gde-E-165 Engineer-in-Charge.

Supply and fixing of framed work such as grills, gratings etc wth ends of bars shouldered and/or riveted, or forged into spikes, framed guard bars, barred ,iron doors,Ms Plain sheet, XPM, ladders, framed balusters, walk way, railings, framedwork of water tanks and similar work confirming to Fe 290 Gde-E-165 Engineer-in-Charge.

Welding in repairs to windows, door hinges, grills etc exc 2.50 cm of thickness not exc 6mm complete all as specified and directed.

Material and labour for 75 mm thick cement concrete type C-2, 1:3:6 (40mm graded stone aggregate) as in sub base of flooring complete all as specified and directed

Material and labour for 100mm thick cement concrete type B 1 PCC (1:2:4) (using 20mm graded aggregate) as in hard standing laid in alternet panels finished even and fair without using extra cement and spike rolling to surfaces or making impressions of expanded metal, whilst the concrete is green complete all as specified and directed.

Material and labour for Glass dividing strips, 3mm thick of 38mm width complete all as specified and directed.

Material and labour for PCC colour chequered tiles with white cement and pigment 30cmX30cmX22-25mm thick set & jointed in neat cement slurry as in path, pavement, floors, etc over and including 20 mm thick screed bed CM (1:6) complete all as specified and directed.

Material and labour for PCC (1:2:4) Type B-0 using (12.5mm graded stone aggregate) as in coppings as in brick wall duly rounded or chamfered on edges complete all as specified and directed

Material and labour for Machine pressed precast concrete Pre- Polished glossy as per sample kept in GE office finish colour interlocking paver block any shape and any size confirming to IS-15658-2006 of thickness 80mm thckness M-40 grade, with grey cement and pigment complete all as specified and directed

Material and labour for 12mm thick premium quality tiles hi-traffic range of endura full body vitrified with anti skid finish,square in shape,area of each tile exceeding 0.08 sm but not exceeding 0.10 sm laid in floor/pavings set and jointed on screed bed of 40mm thick in Cement mortar 1:3 complete all as specified and directed

Material and labour for sand cushioning under floors including watering and consolidation . complete all as specified and directed

Material and labour for preparation of new steel surfaces exceeding 10cm width or girth when unconnected with other painting and applying two coats of synthetic enamel paint over one coat of red oxide primer complete all as specified and directed.

Material and labour for preparation of old steel surfaces exceeding 10cm width or girth when unconnected with other painting and applying two coats of synthetic enamel paint complete all as specified and directed.

Material and labour for Cleaning and preparation of roof/wall (RCC/BRICK/tiles/Cement concrete) surface and made free of dirt, foreign particles, laitance followed by grinding all protrusions to make surface modulated. Thereafter, inspection for cracks on the surface caused by thermal expansion/ contraction and repairing the cracks on the surface caused by thermal machine, filled with Repair Mortar/General purpose Grout in the proportions as recommended by manufacturer, supplying and applying High performance Hybrid Polyurea waterproofing coating spray/hand applied liquid membrane with following specifications: (a) Elongation of range 400% 600%. (b) Tensile strength of 8-12 N/mm2. (c) Crack bridging ability of 3.00-4.00mm. (d) Hardness (Shore ‘A’ ASTM D2240) of range 50-70.The application shall include final base preparation, epoxy primer application in rato 1.1 (resin: hardner) with 100% water dilution and application of Hybrid polyurea in two coats in 6 hrs interval to achieve total min thickness 1 to 1.50mm. The application/ treatment shall be carried out by authorized rep of approved specialist firm/manufacturer. Authorisation shall be produced for approval by GE Note:- The defect liability period of water proofing treatment to RCC roof slab including sunken floor shall be 10 years and the contractor shall be responsible to keep the entire building(s) free From leakage/seepage for a period of 10 years after certified date of completion. The contractor may obtain a similar guarantee from the specialist firm engaged by him for the purpose.

Material and labour for Cleaning the surface and making free of dirt, foreign particles, laitance followed by grinding all protrusions to make surface modulated, thereafter, inspection for cracks on the surface caused by thermal expansion, contraction. Cutting the grooves with suitable cutter machine in "v" groove filled with Repair mortar/micro concrete/General purpose grout as recommended proportionally as per recommendation of manufacturer. Making of Gollas at all the corners with Polymer modified mortar(1:4 Cement: sand with acrylic polymer 3.5% by weight of cement) complete all as specified and directed

Material and labour for Waterproofing expansion joint by Providing and applying Thermoplastic Elastomer tape 200mm wide 1mm thick, a modified flexible TPE based root resistant membrance with chemical resistant. The tape system must be tensile strength >5N/mm2 according to ASTM D412; tear strength > 25N/mm according to ASTM D 624; elongation > 400% according to ASTM D 412; chemically resistant to several chemicals; passes low tempreature foldability at -40◦C according to ASTM C 1305; passes artificial weathering according to ASTM G 154. The tape must be capable of servicing a wide range of temperature of -40◦C to +80◦C. The tape, adhesive and repair mortar must by provided by same manufactuerer for full compatibility. The same is applied using epoxy adhesive of layer 2mm to prepared substateon both sides of joint and both ends of the tape embeded into the adhsive on a width of 38mm complete all as specified and directed

Dismantling of GI barbed wire fencings fixed in RCC/Steel fencing posts complete all as specified and directed.

Supply and fixing for GI 2 standed barbed wire2.24mm dia wire with 2mm dia barbs at 75mm spacings and straining and fixing to any type of standard rails straining bolts including securing or tying at crossing with and provision of galvanised mild steel wire. staples or steel pins etc as directed (Each line wire to be measured) complete all as specified and directed

All as per above serial item no 29.00 above but except barbed wire

All as per above serial item no 29.00 above but Restraining, resecuring including making good staples only.

Supply and fixing in repairs for concertina coil 2.64mm dia and 600 mm dia 10 m openable length (Total length 90 m) having a core wire high carbon spacing steel of high tensile strength as per grade of IS-4454 (Pt-I) with a low carbon steel strip punched tape 19mm wide, 0.5mm thick and series of knife edge sharp barbs/blades @ 25mm centre to centre punched all along the length on both the sides of strips at regular interval confirming to IS-513 complete all as specified and directed.

M/S MATLOOB AHMED

Supreet Associates