REPAIR TO ROOF OF BLDGS IN TECH AREA UNDER AGE B/R-I AT AF STN JODHPUR

Amount

Taking down cement plaster, any description on brick, concrete or stone walls or ceiling including racking out joints, hacking for key, scrubbing down with water etc and removal of rubbish off the premises complete all as specified and directed.

M&L for dubbing out average 10mm thick on irregular face of walls, chajjas, facia etc in CM 1:4 complete all as specified and as directed by Engineer-in-Charge.

M&L for 15mm thick rendering in CM (1:4) on stone masonry surfaces complete all as specified and as directed.

M&L for preparation of new plastered or unplastered surfaces of walls and applying two coats exterior weather proof water base emulsion paint over and icluding a coat of chalk whiting complete all as specified and directed.

M&L for raking out joints/ pointing in cement mortar to squared rubble masonry, coursed or uncoursed in walls all as specified and directed by Engineer-in-Charge.

M&L for keyed pointing to block in cement mortar 1:4 in squared rubble,coursed or uncoursed all as specified and directed by Engineer-in-Charge.

M&L for raised pointing to block in cement mortar 1:4 in squared rubble,coursed or uncoursed all as specified and directed by Engineer-in-Charge.

M&L for preparation of old plastered or unplastered surfaces of walls and applying one coat exterior weather proof water base emulsion paint all as specified and directed by Engineer-in-Charge.

Taking down old existing roof treatment (APP membrane) and removing from site and dispossing outside MOD land complete all as specified and as directed.

Demolition of cement concrete of any type description and in any position and removing debris outside MOD land complete all as specified and directed.

M&L for cutting out cracks to V-section in existing roofs or terracing, cleaning out, wetting, grouting with cement and sand slurry 1:3 complete all as specified and directed.

M&L for brushing neat cement slurry with 3kg of cement per sqm complete all as specified and directed.

M&L for min 40 mm thick cement concrete 1:2:4 type B-0 (12.5 mm graded stone aggregate) in padding finishing surface of concrete topping even and smooth without using extra cement complete all as specified and directed.

M&L for 10mm thick plastering in CM 1:3 on green concrete roof surfaces with water proofing compound @ 3% by weight of cement, surface finished even and smooth without using extra cement complete all as specified and directed. Note :- WPC shall be measured and paid separately.

Supply only integral water proofing compound ISI Marked complete all as specified and directed.

Supply and laying of atactic polypropylene modified polymeric standard membrane of weight not less than 3 kg/sqm, made out of 90 micron high density polyethylene film sand witched between two layers of polymeric (ATACTIC POLY PROPYLENT BASED) bitumen and finally laminated on both sides with 20 micron HMHDPE film laid over and including a priming coat of bituminous primer applied @ 0.4 litre/sq.m, with 100mm overlap of the membrane shall be fused uniformly by LPG torch flame and applying hot blown bitumen 85/25 grade @1.20 kg/sqm and the entire surface shall be painted with a coat of bituminious aluminium paint @100 ml/sqm complete all as specified and as directed.

Material & labour for preparing the surface of roof and applying two coats of Polyurethene (PU) acrylic based Water proofing liquid compound over and including a coat of diluted elastomeric self primer and reinforcement fabric sheet as per manufacturer's instruction to stop leakage/seepage from roof/wall complete all as specified and directed by the Engineer-in-Charge.

M&L for sealing of loose joints of existing APP roof sheets with hot blown bitumen 85/25 grade complete all as specified and directed by Engr-in-Charge.

M&L for Providing cement concrete 1:2:4 Type B0 using 12.5 mm graded aggregate in roof kerbs or mud stops, rounded or chamfered on edges complete all as specified and directed.

M&L for Providing cement concrete 1:2:4 Type B0 using 12.5 mm graded aggregate in 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 complete all as specified and directed.

Disconnecting existing tanks of capacity exc. 500 ltr but n.exc 1000 Ltr, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required, reconnecting and re-fixing in position complete all as specified and directed. Note :- Cleaning repairing etc. shall be measured separately.

Demolition and breaking up 100/150mm dia drain pipes (Salt glazed ware, AC or Reinforced concrete) set in cement mortar complete all as specified and directed.

S&F for PVC(SWR) pipes single socketed in any length with rubber ring joints fixed to wall of 110 mm dia complete all as specified and directed by Engr-in-Charge.

S&F for PVC(SWR) bend of 110 mm dia complete all as specified and directed.

Taking up or down steel tubing and connection including cleaning for refixing or removal to store yard of bore 15 mm complete all as specified.

S&F 15 mm dia galvanized steel tubing, medium grade, with all fitting and fixed complete to walls/celling or laid in floors all as specified and directed.

Refixing old steel tubing and connections in new or old position as in walls ceiling floors etc bore of pipe 15mm complete all as specified.

Taking up or down steel tubing and connection including cleaning for refixing or removal to store yard of bore 20 mm complete all as specified.

Refixing old steel tubing and connections in new or old position as in walls ceiling floors etc bore of pipe 20mm complete all as specified.

S&F 20 mm dia galvanized steel tubing, medium grade, with all fitting and fixed complete to walls/ celling or laid in floors all as specified and directed.

S&F in repair Gun metal globe or gate valves with iron wheel head, screwed both ends for iron pipe of 15 mm dia complete all as specified.

S&F in repair Gun metal globe or gate valves with iron wheel head, screwed both ends for iron pipe of 20 mm dia complete all as specified.

Taking down and refixing the earthing strip over the finished roof surfaces, fixed on batten or any other indicated situation complete all as specified and directed by Engineer-in-Charge.

AAI NATH ENTERPRISES (BID ID -3313510)

CHOUDHARY CONSTRUCTION CO (BID ID -3314144)

VIKAS CONSTRUCTION CO. (BID ID -3313921)

Savitri Enterprises (BID ID -3321322)

Keystone Constructionare (BID ID -3321143)