REPAIR TO ROOF LEAKAGE / SEEPAGE WORKS AT CERTAIN BLDG NAD, CABS, NOFRA AND NSB AND OTHER MAINT WORK AT NAD TROMBAY UNDER GE (NW) MANKHURD

Amount

M & L Rendering 10 mm thick on fair faces of brick work or concrete surfaces using CM 1:6, finished the surface even and smooth with sagol finish including all necessary scaffolding as required incl taking down cement or cement lime plaster of any description on brick or stone walls, including raking out joints, hacking for keys, scrubbing down with water all as specified and as directed.

M & L Rendering 5 mm thick on fair faces of concrete surfaces using CM 1:3, finished the surface even and smooth in ceiling including all necessary scaffolding as required incl taking down cement or cement lime plaster of any description on brick or stone walls, including raking out joints, hacking for keys, scrubbing down with water all as specified and as directed.

M&L for 20mm thick polymer modified ready mix cement based plaster in two layers (12 + 8 mm) on the wall surfaces, top layer of 8 mm including mixed with liquid water proofing compound in the proportion as per manufacturer’s instructions and including finishing the surfaces of the top layer even and smooth, including scaffolding as required complete all as specified and directed, Make : Easy plast from M/s wall plast or chemplast or Readiplast from ultratech. Notes : (i) The thickness of plaster specified above is the minimum thickness and the quoted rates shall also be deemed to include for provision of dubbing of the surfaces with the ready mix plaster and nothing extra shall be payable on this account. (ii) The rate of WPC is deemed to be included in this item. Hence the bidders quoted the rate accordingly.

Chipping, removing carefully loose/damaged concrete incl plastering (total thickness upto 60mm ) from RCC surfaces of columns, beams,Chajas, soffits of slabs etc 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: Hard concrete shall not be removed by force. (upto 12.0m height of bldg or 5 storey bldg)

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 make. "Feovert" of "Krishna Conchem" OR "Roff Rust Cleaner' of 'Pidilite' OR 'Shali Rustoff' of 'STP Ltd', on rebars with time interval of 1 hour between the coats, complete all as specified and directed. [Note :- Mode of measurement: superficial area covered between the end to end reinforcement bars (i.e., concrete area excluding all side covers) will be measured.]

M&L for Anticorrosive Treatment to Reinforcement using IPNET-RB of M/s Krishna Conchem or Epoxy Zinc Primer of M/s. Dr. Fixit 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 covered between the end to end reinforcement bars (i.e., concrete area excluding all side covers) will be measured.

M&L for Epoxy bond coat of Make Fosroc (NITOBOND-EP) OR EPOXY BONDING AGENT of Dr. Fixit OR equivalent of M/s. Krishna Conchem as approved by GE over exposed concrete surfaces prior to application of any type of mortar to ensure bond between old concrete & new concrete by brush application complete all as specified and directed.

M&L for building up the profile of structural members by using polymer modified mortar from M/s. Krishna Conchem (Molith-PMM) OR Polymer mortar HB of Dr Fixit, upto 20mm thickness while the bonding agent is still tacking, including levelling, profiling etc, complete all as specified and directed. (upto 12.0m height of bldg or 5 storey bldg)

M&L for building up the profile of structural members by using polymer modified mortar from M/s. Krishna Conchem (Molith-PMM) OR Polymer mortar HB of Dr Fixit while the bonding agent is still tacking, exceeding 20mm thickness and not exceeding 40mm thickness in two layers, each layer not exceeding 20mm, including levelling, profiling etc, complete all as specified and directed. (upto 12.0m height of bldg or 5 storey bldg)

M&L for casting & repairing of excessively damaged distressed RCC members (exceeding 60mm in thickness) with prebatched, prepacked, single component ready to use microconcrete from Fosroc (Renderoc RG) or equivalent of Dr. Fixit 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).

M & L for preparation of new plastered surfaces of wall and applying two coats of oil bound distemper with roller finish over one coat of primer, complete all as specified and directed.

M & L for preparation of new plastered surfaces of ceiling and applying two coats of oil bound distemper with roller finish including preparatory to distemper surfaces, complete all as specified and directed.

Material & Labour for applying Two coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm over Old existing paint surfaces by scraping, washing with high pressure pumps rubbbing etc surface of walls ,chajjas, soffits & beam including necessary double scaffolding (building ht upto 24mtr) with out damages the existing wall surface etc, complete all as per manufacturer instruction and all as specified and directed. (Note: The contractor will enter into triparty aggrement with manufacturers ,MES as one party regarding the gurantee clause of Seven/Ten years.)

M&L for leakage / seepage proof coating consisting of preparing the old surfaces of existing exterior walls, parapet walls, chajjas, soffit of beams, columns etc. and applying Primeseal primer of M/s Dr Fixit or equivalent chemical of M/s STP Ltd as approved by the GE or one coat of Chemstic PDE 600 elastomeric coating (and allowing to dry for 8hrs) under torch dry condition and subsequently applying two coats of water proofing decorative elastomeric coating system Raincoat of M/s Dr Fixit with DFT 100microns or Shalicryl 215 of M/s STP Ltd or Chemstic PDE 600 elastomeric coating (the surfaces after painting one coat shall be allowed to dry for 6 to 8hours before application of next coat) including necessary scaffolding etc complete all as per manufacturer instructions and all as specified & directed. Notes (i) The aforesaid treatment shall be got executed by the contractor from the authorised applicator of the manufacturer(s) and also necessary authenticated documents on account of above shall be submitted by the contractor to the GE. (ii) Painting shall be carried out in camouflage pattern as aprroved by the GE.

M& L for wall care putty thickness as per reqd on wall (brand Apex Ultima manufactured by Asian or Brand weather coat Maxx manufactured by Berger or equivalent as approved by GE) building ht upto 24mtr including necessary scaffolding and complete all as per manufacturers instructions

M&L Brick work with sub class ‘B’ bricks, straight or curved on plan exceeding 6 metre means radius built in cement mortar 1:6 includingdDemolition of brick work or stone/boulder, masonry, built in cement mortar or cement lime mortar including all quoins, archescomplete all as specified and as directed.

Water proofing treatment to Sunken floor are as under :- (a) Cleaning the surface of any description with wire brush , detecting source of leakage/seepages and removing /taking down unsound treatment /surface. (b) M&L for making holes with drill machine of dia 18 mm for carrying out non-destructive water proofing treatment to floor , sunken portion of tiolet/bathroom and junction of floor and walls of bath/WC and floor traps (combined unit) by using construction chemical method as hydrophobic PU grouting with first course of Injection MDI based PU foam and second course of injection with PU plain all as per manufacturers instruction etc and M&L for fixing the metalic packer for hydrofobic PU foam sealer as per manufacturer specification . Note :- (a) The PU foam and PU plain shall have 100% solids and solvent free and shall expand 30-40 times its volume at liquid stage in presense of water , the PU plain injection shall have minimum 100 CPS viscosity and shore hardness minimum 50D. Make :- Pedilite or equavalent.

M&L for tile joint chemical cleaning and re-grouting carefully by washing the existing tile with heavy duty tile cleaner prefer by of M/S Pidilite or equavalent cleaner again washing with freash jet water scratching the joints and filling the same with (white / matching color) epoxy tile grout of M/s Pidilite ROFF RTM epoxy of equavalent curing cleaning the surface etc , complete all as directed by Engineer In Charge.

S&F Rolled sections as in chajjas , main and cross beams, hip and jack rafters; purlins where connected to common rafters and running rails and guides for sliding doors,frame work for iron weld mesh fixed with angle cleats or other connecting plates Fe 410 gde E incl dismantling wrought iron or mild steel work of any description not otherwise provided for.

S&F Steel work in tubular trusses beams, hip and jack rafters; purlins including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.1161- 1979 grade St.-240 incl dismantling wrought iron or mild steel work of any description not otherwise provided for.

S&F for framed work as in plates (plain or chequred) channels, square cut or notched with fabriction and erection of FE 410-W (Gde E-250) quality A (ordinary and counter sunk) forming holes without any attachment complete all as specified

S&F for Welded steel wire fabric weight per sqm exc 4.00 kg complete to wood or steel members completed all as specified and directed.

S&F mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut 5 cm but n.exc 10 cm long, 16 to 20mm complete all as specified

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

S & F pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws including dismantling Asbestos cement (corrugated, semi corrugated, etc sheets in roof coverings complete all as specified and directed.

S& F Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in ridges, hips, valley gutters, fixed with self tapping screws including dismantling Asbestos cement (corrugated, semi corrugated, etc sheets in roof coverings as specified

S&F 110 mm bore PVC (SWR) pipes single socketed, in any length with rubber ring joints, fixed to walls all complete all as specified and directed.

_dittio_ all as per item No 27 above but 75mm bore

S&F 110mm bore PVC (SWR) branch piece single (Single Y ) equal or unequal

S&F 110mm bore PVC (SWR) bend

S&F 75mm bore PVC (SWR) bend

S&F 75mm bore PVC (SWR) branch piece single (Single Y ) equal or unequal

Demolition of cement concrete is reinforced as Roofs, floors (other than ground floors), beams, staircases, landing, chajjas and similar suspended work at any height at any description including double scaffolding (reinforcement cut as required to facilitate demolition)

M&L for PCC (1:2:4 ) type B-1 using 20 mm graded crushed stone aggregate as in roof levelling courses over RCC roof surface to achieve required slope including rounded or chamfered edges mixed with water proofing compound @ 3% by weight of cement and finishing surface even and smooth using extra cement etc including demolition of plain cement concrete (unreinforced) in roofs, including all necessary scaffolding /staging for working at any heights upto and including 24m as required and disposing off the rubbish to a distance exceeding 500m and not exceeding 1.0km complete all as specified (NOTE :- WPC shall be measured and paid separately as supply only )

Ditto as item No 34 above but 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,including demolition cement Concrete (unreinforcement) of any description and in any position not otherwise specifically provided for

M & L for 10 mm thick plaster in cement and sand mortar (1:3) finished even and smooth without using extra cement including mixed with WPC @ 3% of weight of cement over roof/ terrace surfaces, complete all as specified and directed. Note: The rate of WPC is deemed to be included in this item. Hence the bidders quoted the rate accordingly.

M & L for 3 mm thk APP modified roof treatment over existing roof slab etc to be executed through approved authorised applicator of the membrane manufacturer with the following specifications including dismantling / taking out existing water proofing treatmentcomplete all as specified and directed:- (a) Applying oil bound bitumen primer @ 0.40 litre/ Sqm manufactured by the same manufacturer as that of APP with a density 0.87-0.89 Kg per litre at 25 degree centigrade on the prepared dry surface. (b) Laying APP modified water proofing membrane reinforced with non woven polyester fibre weight not less than 160gm/Sqcm using butane torch by torch application with 10cm side lap and 15cm end lap.

(c) Physical properties of membrane shall be as under:- (i) Membrane weight not less than 3.50 Kg/Sqm. (ii) Non woven polyester weight not less than 160gm /sqm. (iii) Softening point of membrane not less than 150 degree Celsius. (iv) Joint tensile strength-longitudinal not less than 650N/Sqcm and transverse not less than 450 N/Sqcm (v) Tear strength-longitudinal not less than 300 N & transverse not less than 250 N. (vi) Elongation : > 20% in both directions. (vii) Impermeability/water tightness at 2 Kgf/cm2. (viii) Water absorption - Not more than 1% on mass within 24 hours. (ix) Cold flexibility - Minimum (-) 20C. (x) Dimentional stability % change = Maximum 1%. (xi) thickness of memberane shall not less than 3 mm. Note: The rate of bitumen primer and other required materials are deemed to included in this item. Hence, bidders quoted the rate accordingly

Disconnecting existing water storage tanks, setting aside (or lowering if required) for repairs to roof below, and replacing (or hoisting if required), re-fixing in position and re-connecting on completion of roof work complete all as specified and directed by the Engineer-in-charge for the following capacities:

(a) upto and including 1000litres

(b) 1000 litres upto and including 2000litres

M&L for preparation of new plastered surfaces of wall etc/complete removal of old external treated surfaces of any description and at any position applying two coats of 100% anti fungal acrylic exterior emulsion paint over one coat of primer all as per manufacturer's instructions including necessary scaffoldings etc, complete all as specified and directed. Note: The percentage of colours in Camouflaging pattern shall be as under :- Olive Green - 50%, Dark Brown - 25%, Dark Stone/Leaf Brown - 25%

M&L for preparation of old treated surfaces of any description and at any position and applying one coat acrylic exterior antifungal paint in camouflage pattern complete all as specified and as directed Note: The percentage of colours in Camouflaging pattern shall be as under :- Olive Green - 50%, Dark Brown - 25%, Dark Stone/Leaf Brown - 25%

M&L for preparation of existing old surfaces of wall, chajjas, beams, parapets etc, filling of cracks after cutting the same to V shape approximate 10mm wide and upto full depth of cracks with Chemistic crack seal caulking compound (Acrylic sealant) of M/s. Chemistik or equivalent of Dr. Fixit or of M/S STP Ltd as approved by the GE, also including necessary scaffoldings etc, complete all as specified and directed.

Removing plant/growth including its roots upto 1.00m of plant height at any location/at any storey and of any description and treating the surfaces with Acid (HCL) and making good surfaces with cement mortar 1:4, complete all as specified and directed.

Writing letters or figures (Block.Roman, Italic or Indian) n exc. 30 cm high complete including all necessary scaffolding as required all as specified and directed.

Note : A SUM OF RS 78250.00 TOWARDS SCHEDULE OF CREDIT SHALL BE DEDUCTED TO ARRIVE THE CONTRACT SUM

Joy builders (BID ID -3378583)

H R ENGINEERS (BID ID -3378524)

A M ENTERPRISES (BID ID -3378335)

mp construction co (BID ID -3377277)

Vishal Builders (BID ID -3378340)

R J ENTERPRISES (BID ID -3378859)