SPECIAL REPAIR TO ROOF AT VARIOUS LOCATIONS AT MD ACCN (PH-II) AT CHAFB

Amount

Taking down old damaged existing water proofing membrane of any thickness from roof top of G+3 storeyed bldgs complete all as specified and directed. Note: All waste materials shall be removed from MOD land during or at the end of each working period at his risk and cost in accordance with all applicable federal, state, and local regulations.

M&L for water proofing treatment on horizontal and vertical surfaces with Providing and laying / fixing TPO (Thermoplastic Polyolefin) membrane incl cleaning the surface and laying of 200GSM Geo textile and cover up with TPO RF 1.2 mm thermoplastic membrane on roof of G+3 storeyed bldgs ; up to 300 mm height on parapets and crumple joint including junction of roof and parapet, welding the seam joints with hot air gun/machine and terminate the corners with extra protection to bear the high wind pressure. The TPO should be thoughroly tightened with the lower structure using mechanical fastening properly to avoid the corners and seam joint failure. Make : Asian paints TPO or equivalent product of M/s Bauchemic /CIPY/SIKA/Pidilite/Dr fixit TPO membrane//M/s Berger

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for in G+3 storeyed bldgs complete all as specified and as directed. Note: All debris and rubbish shall be removed from MOD land during or at the end of each working period at his risk and cost in accordance with all applicable federal, state, and local regulations for

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

M&L PCC 1:2:4 type B-1 (using 20 mm graded stone aggregate) as in roof/chajja padding for maintaining roof/chajja slope in G+3 storeyed bldgs complete all as specified and as directed.

M&L for providing cement concrete type B-1 (1:2:4) using 20mm graded aggregate as in roof kerbs or mud stops, rounded or chamfered on edges in G+3 storeyed bldgs complete all as specified.

M&L Rendering 10 mm thick cement plaster 1:3 on roof padding of G+3 storeyed bldgs finished even and fair with approved water proofing compound @ 3% by weight of cement or as per manufacturer's instruction including taking down existing cement plaster/lime plaster complete all as specified and as directed. (Note : WPC shall be measured and paid seperately as supply only under relevant item )

Supply only liquid water proofing compound complete all as specified and as directed.

Demolition of brick work or stone masonry built in cement mortar including all quions, arches pillars etc, but excluding ashlar facing dressed stone works and pre-cast concrete articles in G+3 storeyed bldgs complete all as specified and as directed.

M&L Precast cement concrete block in PCC 1:3:6 type C1 (20mm graded aggregate) masonry with solid blocks, exc. 10cm in width and setting in mortar 1:6 in G+3 storeyed bldgs complete all as specified and as directed.

Demolition of cement concrete reinforced Roofs, floors (other than ground floors), beams, staircases, landing, chajjas and similar suspended work including RCC water tanks in G+3 storeyed bldgs complete all as specified and as directed.

Cutting holes in brickwalls built in cement mortar exc half brick but not exc one brick for inserting holdfasts ,clamp etc and making good dismantled portion in cement mortar 1:3 or cement concrete 1:2:4 Type B-1 as required in G+3 storeyed bldgs complete all as specified and as directed.

M&L Providing Reinforced cement concrete type B-1, 1:2:4 using 20 mm graded aggregate in Slabs supported on walls, beams and columns in floors, roofs, landings, balconies, canopies, deck slabs and in shelves and the like including necessary form work in G+3 storeyed bldgs complete all as specified and as directed.

M&L Providing reinforced cement concrete type B-1, 1:2:4 (20 mm graded aggregate) chajjas including necessary form work in G+3 storeyed bldgs complete all as specified and as directed.

S&F 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 0.90mm dia, complete all as specified and as directed.

Taking down cement plaster on brick or stone walls,/ceiling etc. including raking out joints, hacking for key, scrubbing down with water, etc. including necessary scaffolding in G+3 storeyed bldgs complete all as specified and as directed.

M&L Rendering 15 mm thick cement plaster on fair faces of brick work or concrete surfaces in cement motor 1:4 finished even and smooth without using extra cement including necessary scaffolding in G+3 storeyed bldgs complete all as specified and as directed.

M&L Rendering 10mm thick cement plaster on fair faces of concrete surfaces in ceiling/chajjas in cement mortar 1:4 finished even and smooth without using extra cement complete including necessary scaffolding in G+3 storeyed bldgs complete all as specified and as directed.

M&L Preparation of new plastered surfaces of wall and application of two coats of cement base paint through mechanical means over a coat of primer complete including necessary scaffolding in G+3 storeyed bldgs complete all as specified and as directed.

M&L Preparation of new plastered surfaces of wall and application of two coat of Weather proof exterior emulsion through mechanical means over a coat of primer in G+3 storeyed bldgs complete all as specified and as directed.

M&L Preparation of new plastered surfaces on ceiling and applying three coats of white wash complete all as specified and as directed.

Taking up or down steel tubing and connections, fittings etc including cleaning for refixing or removal to store for 15mm bore complete all as specified and as directed. General Notes for Item No 22.00 to 33.00 :- Quoted rate shall deemed to include cost of scaffolding or ladders etc required for approaching for repair work (Ground floor to 3rd Floor).

Taking up or down steel tubing and connections, fittings etc including cleaning for refixing or removal to store for 20mm bore complete all as specified and as directed.

Taking up or down steel tubing and connections, fittings etc including cleaning for refixing or removal to store for 25mm bore complete all as specified and as directed.

S&F Steel tube15mm bore medium grade galvanized with all fittings and connections, complete all as specified and as directed.

S&F Steel tube 20mm bore medium grade galvanized with all fittings and connections, complete all as specified and as directed.

S&F Steel tube 25mm bore medium grade galvanized with all fittings and connections, complete all as specified and as directed.

Taking up or down steel tubing and connections, fittings etc including cleaning for refixing and Refixing old steel tubing and connections,fittings etc in new or old position (Walls, ceiling, floors, etc.) of 15 mm bore complete all as specified and as directed.

Taking up or down steel tubing and connections, fittings etc including cleaning for refixing and Refixing old steel tubing and connections, fittings etc in new or old position (Walls, ceiling, floors, etc.) of 20 mm bore complete all as specified and as directed.

Taking up or down steel tubing and connections, fittihgs etc including cleaning for refixing and Refixing old steel tubing and connections, fittings etc in new or old position (Walls, ceiling, floors, etc.) of 25 mm bore complete all as specified and as directed.

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

S&F in repairs 25mm dia Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed complete all as specified and as directed.

S&F in repairs Ball brass valves, 20mm dia bore high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule complete all as specified and as directed.

S&F Triple layered Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted & fixed in position all as specified in SSR Part I , 500 Ltrs Capacity including dismantling existing 500 Ltr water tanks complete all as specified and as directed.

Disconnecting existing tanks, setting aside or lowering if required for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in old or new location position capacity exc 250&n exc 500 ltr complete all as specified and as directed.

S&F in repairs PVC (SWR) pipes 110 mm bore single socketed, in any length with rubber ring joints fixed to walls in verticial surfaces of upto and incl 4 storied buildings, complete all as specified and directed.

S&F PVC (SWR) bends any radius 110mm dia complete all as specified and directed.

Removing building materials etc. (other than spoil payable under items-earthwork) to a distance of 30.00 Km or above, beyond the lead included in the rates, including loading, unloading and stacking at the destination all as specified and as directed. Note: All debris and rubbish shall be removed from MOD land during or at the end of each working period at his risk and cost in accordance with all applicable federal, state, and local regulations.

M/S Suresh Raju (BID ID -3491608)

MAA ENGINEERING SERVICERS (BID ID -3485625)

P Ramesh and Co (BID ID -3490589)

S SELVALAKSHMI ENGINEER AND CONTRACTOR (BID ID -3495762)

OM ENTERPRISES (BID ID -3491938)

K. VENKATESH NAIDU (BID ID -3496261)