ADDITION/ ALTERATION AND IMPROVEMENT TO ROOF OF NS-09 AT MO (MB) GHATKOPAR UNDER GE(NW) BHANDUP

Amount

Dismantling asbestos cement (corrugated semicorrugated, etc) sheets in roof covering including ridge, north light curves etc complete all as specified and directed.

Taking down eaves gutters and rainwater pipes (any size & pattern) including all fitting, head shocs, bends etc complete all as specified and directed.

S&F 50mm (Continues density panel -Roof profile)puf panel of standard density 40 kg/m3 (+-2)with corrugated gaivalume top sheet 0.50mm thickness having coating of AZ 150 and plain bottom sheet of 0.45mm thickness having coating AZ 150 of TCT colour coated galvanized sheet insulation core -thick supply of double skin PUR insulated sandwich roof panel having 50mm core with PPGI RMP trapezoidal in top & micro ribbed linear panel in bottom skin. The PUR panel shall be CFC free and zero ozone depleting panel using N pentane blowing agent & made out of continuous line running on uninterrupted power supply.Panel shall have pre coated galvanized sheeton both side of polyurethane form confirming to IS 12436:1988.The pre coated sheet shall be of minimum 550 MPa.The PPGI sheet shall have plastic protective guard film of minimum 25 microns to avoid scratches during transportation.The PUR foam shall be self extinguishing, fire retardant type having minimum standard density of 40 kg/Cum (+,-4Kgs) and fixed with self tapping screws of suitable length in roof including necessary scaffolding etc complete all as specified and directed. The prefabricated puff panel to be provided with front/ side/ back/ hole cap/ screw cap etc all inclusive as directed by approved applicator. Make: BIS Approved

S&F for Pre- Painted galvalume aluminium zinc coating GI based Plain steel sheet 0.50mm thick of any colour having tensile strength of 550Mpa as in roof covering/rigdes, fixed with self tapping ,drilling of screws/suitable length GI 'J' or 'L' hooks in roof, including necessary scaffolding etc complete all as specified and directed.

S&F 1mm thick GI sheet in ridges, hips, valley gutters ,drip etc welded or soldered joints with grade of zinc coating 275 and including necessary arrangement for leakage proof drop in rain water pipes 200mm dia complete all as specified and as directed.The sheet should be fixed with suitable chemical compound complete all as specified and directed.

S&F 200mm bore PVC rain water pipe single socketed(ISI Marked) any length with rubber ring joints ,including connection with valley gutter leak proof complete fittings including bend pipe etc etc fixed to wall fixed with MS clamps 8mm dia with two nuts wall nails etc complete all as specifed and directed.

Dismantling wrought iron or milt steel work of valley gutter and expended metal any description not other wise provided for complete all as specified and directed..

S & F Mild steel Angles, bars, flats ,plane angle cleats for securing to valley gutter supports, wall ties,securing purlins J or L hook clamps with nut bolts,washers and similar small articles confirming to Fe 290 or Gde-E165 complete all as specified and directed.

S&F 220mm dia UPVC rain water gutter including runner drop , elbow,stop end all other accessories connected to rain water pipe complete all as specified and directed.

Dismantling of roof terracing cement / brick concrete (un-reinforced) and existing water proofing treatment of any thickness in any position and of any portion from top of roof of building, cleaning surface of roof with wire brush / mechanical brush and with water thoroughly to remove all dust / dirt and loose particles to expose base concrete roof slab and removal of rubbish / demolished material out of MD land complete all as specified and directed.

M&L for PCC 1:2:4 Type B0 using 12.5 mm graded aggregate with 2% by weight of cement or as per manufacturer's instructions water proofing as in levelling course, haunching, coping and similar works over RCC roof surface and RCC over head tank top surface including rounded or chamferred on edges and formwork etc complete all as specified and directed.

Demolition of brick work or stone boulder masonry,built in cement mortar or cement lime mortar including all quoins, arches, pillars etc, but excluding ashlar facings, dressed stone work and precast concrete articles and removal of rubbish/ demolished materials out of MD land complete all as specified and directed.

M&L Brickwork with subclass ‘B’ bricks, straight or curved on plan exc 6m mean radius, built in cement mortor 1:6 complete all as specified and directed. Note:Height of the structure is more than 7M

Taking down cement or cement lime plaster of any description on brick or stone wall and ceiling surface including raking out joints, hacking for key, scrubbing down with water etc and disposing off the rubbish outside MD land complete all as specified and directed.

M&L for rendering 15mm thick in CM 1:4 on fair faces of brick work or concrete surfaces in two coats (10 + 5 mm), both coat mixed with integral water proofing compound ISI Marked @ 2% by the weight of cement and finishing the surface even and fair complete all as specified and directed Note - WPC shall be measured and paid separately

Supply only integral water proofing compound.

M&L for preparation of new plastered surfaces on walls, chajjas,filling of hair line cracks with white cement and applying two coats of 100% anti fungal weather resistant acrylic paint over a coat of acrylic primer in approved shade and as per manufacturer's instructions including necessary scaffolding complete all as specified and as directed.

M&L preperation of new steel Surfaces of any description and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and directed.

M&L preperation of old steel Surfaces of any description, over 10cm in width or girth, and applying one coat of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and directed.

Chipping, removing carefully loose/damaged concrete from surfaces of RCC members, in any location by low impact Hammer/Breakar without damaging the structure & cleaning the surfaces with wire brush etc and disposal of debris out side MOD land complete all as specified and directed. Note : 1) Hard concrete shall not be removed by force

M&L for cleaning existing reinforcement with wire/ rotary wire brush to a shining bright finish, making the surfaces free from loose material, dirt etc complete and applying two coats of alkaline rust converting primer conforming to ASTM-B-117 of approved make on rebars with time interval of 1 hour between the coats, complete all as specified and directed. (Note :- Mode of measurement: superficial area of concrete will be measured.)

M&L for carry out application of ‘Bi-polar migratory corrosion inhibitor'of approved make on RCC surfaces, complete all as specified and directed. (Note :- Mode of measurement: superficial area of concrete will be measured.)

M&L for Anticorrosive Treatment to Reinforcement using of approved make by application on exposed reinforcement in two coats with time interval of minimum 4 hours between each coat. The application shall be done by brush after cleaning/wire brushing to the exposed steel surfaces complete all as specified and directed . Note :- Mode of measurement: superficial area of concrete will be measured.

M&L for Epoxy bond coat of approved make over exposed concrete surfaces prior to application of any type of mortar / concrete to ensure bond between old concrete & new concrete/ new mortar by brush application, complete all as specified and directed.

M&L for providing Polymer Bonding Agent of approved make as approved by the GE followed by flexible polymer based putty ( 1cement: 1.2 finesand :20% polymer by weight of cement : water as required ) on cracks after cutting the cracks to a 'V' shaped groove upto 10 mm wide and 10 mm deep in structural RCC members , finished with spatula etc. complete all as specified and directed.

M&L for building up the profile of structural members using polymer modified mortar of approved make while the bonding agent is still tacking upto 20mm thickness, including levelling, profiling etc, complete all as specified and directed.

M&L for building up the profile of structural members using polymer modified mortar of approved make exceeding 20mm thick and not exceeding 40mm thick in two layers, each of equal thickness including levelling, profilling etc, complete all as specified and directed.

M&L for casting & repairing of excessively damaged distressed RCC members (exceeding 40mm in thikness) with prebatched, prepacked, single component ready to use microconcrete of approved make as approved by GE, at any level/ height and at any lead or lift as directed including prefabricated water tight formwork, centering, scaffolding, also including mixing , laying, levelling, finishing, curing etc as per manufacturer's specifications and all other relevant works, complete all as specified and directed. (Note : Reinforcement only shall be measured and paid separately).

Deduct Credit for Demolished/ Dismantled material Rs. (-) 43500.00 (Minus) as listed in Schedule of Credit Note1: Tenderers will not quote against this item being a tentative amount to be considered to arrive at the 'Contract Sum' Note 2:- The tenderer must keep in mind when quoting rates against items out in multiple store house having height 4 mts to 7 mts. Necessary scaffolding and saftey measures required during execution of work are including in this items.

R J ENTERPRISES (BID ID -3071112)

Joy builders (BID ID -3082429)