86483E8 SPECIAL REPAIRS TO DAD RESIDENTIAL COMPLEX, NANDAMBAKKAMB UNDER GE STM CHENNAI.

Amount

REVISED BOQ UPLOADED ON 02 JUN 2021, BOQ UPLOADED ON 10 MAY 2021 CANCELLED

SCH "A" PART-I (CIVIL WORKS)

Taking down cement plaster any description on brick or stone walls, concrete surfaces, ceiling, etc. including raking out ioints, hacking for key, scrubbing down with water, etc. and removal of unserviceable debris out of MD land complete all as specified and as directed.

Taking up or down steel tubing and connections and taken on credit of bore of pipe 20mm complete all as specified and as directed.

Taking up or down steel tubing and connections, and taken on credit of bore of pipe 25mm complete all as specified and as directed.

Taking up or down steel tubing and connections, including cleaning for refixing and refixing old steel tubing and connection in old / new position (walls, ceilings, floors etc., of bore of pipe 20mm complete all as specified and as directed.

(a) The rate is deemed to include for cleaning and rerunning of old screw threads as required.ring.

(b) The rate is deemed to include replacing specials like bends, elbows, tees etc., required for refixing the pipe.

Taking up or down steel tubing and connections, including cleaning for refixing and refixing old steel tubing and connection in old / new position (walls, ceilings, floors etc., of bore of pipe 20mm complete all as specified and as directed.

(a) The rate is deemed to include for cleaning and rerunning of old screw threads as required.ring.

(b) The rate is deemed to include replacing specials like bends, elbows, tees etc., required for refixing the pipe.

Demolition of brickwork or stone boulder masonry, built in cement mortar, including all quoins, arches, pillars etc., but excluding ashlar facings, dressed stonework and precast concrete articles and removal of unserviceable debris out of MD land complete all as specified and as directed.

Demolition of stone slabs / tiles of any description or thickness in floors or vertical surfaces, as in ceramic tiles laid, bedded and pointed in any mortar including bedding screed and backing in vertical surfaces and removal of unserviceable debris out of MD land complete all as specified and as directed.

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

Dismantling wrought iron or mild steel work of any description not otherwise provided for and taken on credit complete all as specified and as directed.

Dismantling existing water tanks, exceeding 250 litres and not exceeding 500 litres, setting aside, (or lowering if required) for repairs cleaning etc., and hoisting if required reconnecting and refixing in position complete all as specified and as directed.

Refixing shall be done after laying of WPT.

Dismantling existing water tanks, exceeding 500 litres and not exceeding 1000 litres, setting aside, (or lowering if required) for repairs cleaning etc., and hoisting if required reconnecting and refixing in position complete all as specified and as directed.

Refixing shall be done after laying of WPT.

Brickwork with fly ash bricks, old size, straight or curved on plan exceeding 6m mean radius built in cement mortar 1:6 of designation 50 complete all as specified and as directed.

Mild steel TMT bars 10mm dia and over as in main reinforcement, cut to length, bent to shape, including cranking and binding with and including mild steel wire (annealed) not less than 0.90mm dia or securing with clips complete all as specified and as directed.

Mild steel TMT bars 6mm to 8mm dia as in main reinforcement, cut to length, bent to shape, including cranking and binding with and including mild steel wire (annealed) not less than 0.90mm dia or securing with clips complete all as specified and as directed.

Framed work such as grills, gratings, etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors and similar work conforming to Fe-290, Gde-E-65 complete all as specified and as directed.

Chequered cement concrete tiles with grey cement and pigment of size 300mm x 300mm x minimum 22mm thick set, jointed and pointed over neat cement slurry at the rate of 4.20 kg / sqm in floors laid over cement screed in CM 1:4, 20mm thick complete all as specified and as directed.

Chequered cement concrete tiles bullnosed with grey cement and pigment of size 320mm x 200mm x minimum 30mm thick set, jointed and pointed over neat cement slurry at the rate of 4.20 kg / sqm in treads of steps laid over cement screed in CM 1:4, 20mm thick complete all as specified and as directed.

Cement concrete tiles with grey cement and pigment of size 300mm x 300mm x minimum 22mm thick as in vertical surfaces like skirting, dado, risers etc., set, jointed and pointed fixed with thin neat paste including a backing coat of cement mortar 1:3. 10mm thick complete all as specified and as directed.

Rendering 15mm thick in CM(1:4) on fair faces of brickwork or concrete surfaces finished fair and even complete all as specified and as directed.

Preparing newly plastered surfaces of wall and applying two coats of weather proof paint over a coat of primer to match with the existing adioining surfaces including in narrow widths, bands, cornices, pilasters etc., complete all as specified and as directed

Complete removal of existing treatment from wall surfaces, and applying two coats of distemper oil emulsion white or tinted including in narrow widths, bands, cornices, pilasters etc., over a coat of alkali resistant priming paint over wall care putty 3mm thick, complete all as specified and as directed

Preparing new surfaces of steel and iron surfaces of any description, not otherwise described, over 10cm in width or girth and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and as directed.

Steel tubing, galvanised, medium grade, with all fittings such as bends, elbows, tees etc., and fixed complete to walls and ceilings or laid in floors of bore of pipe 20mm complete all as specified and as directed.

Steel tubing, galvanised, medium grade, with all fittings such as bends, elbows, tees etc., and fixed complete to walls and ceilings or laid in floors of bore of pipe 25mm complete all as specified and as directed.

Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) , three layered hoisted and fixed in position all as specified in SSR Part-I of capacity 750 litres including 03 Nos PTMT nipples suitable for HDPE water tank, of bore of pipe 20mm (minimum weight 45 gms) complete all as specified and as directed.

Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) , three layered hoisted and fixed in position all as specified in SSR Part-I of capacity 1000 litres including 03 Nos PTMT nipples suitable for HDPE water tank, of bore of pipe 20mm (minimum weight 45 gms) complete all as specified and as directed.

Ball valves high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe and fixed (minimum weight 20mm-210gms) bore of pipe 20mm complete all as specified and as directed.

Complete removal of existing water proofing treatment including water proofing plaster, cement mortar screed etc., and demolition of cement concrete (un-reinforced) of any description and in any position not otherwise specifically provided for and removal of unserviceable debris out of MD land complete all as specified and as directed

The entire thickness including the water proofing treatment shall be measured in cubical content.

Roughening surfaces of old concrete floor by picking, sweeping clean and washing down with water to remove dust, etc and brushing neat cement slurry at the rate of 3.0kg of cement per square metre complete all as specified and as directed.

Plain cement concrete as in levelling course averaging 25mm thick including making good depressions / undulations, 1:2:4, type B0, using 12.50mm graded stone aggregate mixed with liquid water proofing compound and finished to receive plastering complete all as specified and as directed.

Supply only liquid Water proofing compound shall be measured and paid separately.

Plain cement concrete, type B1, 1:2:4, using 20mm graded stone aggregate as in kerbs, bed blocks and the like including weathering, slightly rounded or chamfered angles and throating and necessary formwork complete all as specified and as directed.

Plain cement concrete, type B1, 1:2:4, using 20mm graded stone aggregate as in base of PVC water tanks and the like including weathering, slightly rounded or chamfered angles and throating and necessary formwork complete all as specified and as directed.

Rendering 10mm thick in CM(1:3) over levelling course when the concrete is green, mixed with liquid water proofing compound and finished even and smooth without using extra cement complete all as specified and as directed.

Supply only liquid Water proofing compound shall be measured and paid separately.

Supply only Liquid Water proofing compound all as specified and as directed.

Preparing the rendered surface thoroughly to remove all loose particles, dirt / dust particles and applying a uniform coat of blown grade bitumen VG-10 @ 1.20 kg/sqm conforming to IS 702 over a coat of bitumen primer @ 0.40 Litres / Sqm followed by APP membrane reinforced with polyster non woven fabric 3mm thick weighing not less than 3.6 kg / sqm laid on primed surface by torched application followed by a finishing coat of solar reflective aluminium paint @ 0.10 litres / Sqm complete all as specified and as directed.

For detailed specifications please refer particular specifications and list of manufacturers given here-in-after and the rate rate quoted shall include for the same.

Removing of damaged / cracked /spalled concrete and broken plastering from RCC structural members, soffits of roof projection, chajjas, fins, fascias by tapping with light hammer / chipping with chisel and cleaning with wire brush and high pressure water jet and removal of unserviceable debris out of MD land complete all as specified and as directed.

The rate quoted is deemed to include for erecting necessary scaffolding to facilitate working.

Removal of rust / corrosion from steel reinforcement by applying one coat of rust converter primer at rate of 10 sqm of concrete face per 1 litres all as per manufacturers instructions complete all as specified and as directed.

The rust remover used shall be Shaliprime RC of STP or equivalent of makes as listed here-in-after.

Fixing extra reinforcement where original diameter of bars are reduced by more than 10 % by using grout anchoring or welding all as per manufacturers instructions complete all as specified and as directed.

(a) The grout used shall be Shaligrout Anchor of STP or equivalent of makes as listed here-in-after.

(b) Reinforcement shall be measured and paid separately.

Fixing extra reinforcement as required in locations by welding all as per manufacturers instructions complete all as specified and as directed.

Reinforcement shall be measured and paid separately.

Applying one coat of zinc rich primer over the cleaned reinforcement at rate of 6 sqm of concrete face per 1 litres all as per manufacturers instructions complete all as specified and as directed.

The primer used shall be Shaliprime ZnR of STP or equivalent of makes as listed here-in-after.

Applying one coat of epoxy bonding agent over the concrete face to achieve good bonding with concrete to be applied over the face all as per manufacturers instructions complete all as specified and as directed.

The bonding agent used shall be Shalibond Concrete of STP or equivalent of makes as listed here-in-after.

Applying polymer modified mortar to required thickness and finishing the surface with steel trowel all as per manufacturers instructions complete all as specified and as directed.

The polymer modified mortar used shall be Shalifix RMC of STP or equivalent of makes as listed here-in-after.

Expanded metal, weight per square metre not exceeding 4 kg, cut to length, bent to shape required and tying with and including annealed mild steel wire not less than 0.9mm dia or fixing with galvanised steel staples supplied and fixed complete all as specified and as directed.

Railing of stainless steel Grade 304 made of hollow tubes including welding, grinding, buffing, polishing and making curvature (wherever required) and fitting the same with necessary stainless steel nuts and bolts complete i.e fixing of the railing with necessary accessories and stainless steel dash fasteners, stainless steel bolts of required size on top of floor or the side of waist slab with suitable arrangement complete all as specified and as directed.

Mariammal Constructions

M/S.RANGA AND CO

D Subramani and Sons

RKRISHNANANDSONS