REPAIRS TO ROOF LEAKAGE / SEEPAGE, WATER PROOFING TREATMENT AND CERTAIN OTHER CIVIL WORKS AT OTM AND MD ACCN AT CABS, INS TANAJI, NOFRA AND NSB UNDER GE (NW) MANKHURD

Amount

M&L for Brick work with sub-class `B' bricks, straight or curved on plan exceeding 6 M mean radius built in cement mortar (1:6) including demolition of brick work or stone/boulder, masonry, built in cement mortar or cement lime mortar etc complete all as specified and directed.

Taking down cement plaster on brick or stone walls, etc, including raking out joints, hacking for key, scrubbing down with water , etc complete all as specified and directed.

M&L for 8 to 10 mm thick polymer modified ready mix cement based plaster on surfaces of walls/ceiling including finishing the surface even & smooth without using extra cement, complete all as specified and as directed. Make : Easy plast from M/s wall plast or chemplast or Readiplast from ultratech. Note: 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.

M&L for 12 mm thick polymer modified ready mix cement based plaster in one layers on the wall surfaces with water proofing compound in the proportion as per manufacturer’s instructions and including finishing the surfaces of even and smooth, 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) WPC shall be paid for separately.(2% of weight of Cement and CM 1:4)

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 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 40 mm thick and not exceeding 60mm thickness in three 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)

Material and labour 2 coats of oil bound distemper over one coat of acrylic primer on newly plastered undecorated surface of walls including preparation of surface complete all as specified and directed.

Material & Labour for applying Two or more 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 new surface of wall including necessary scaffoldings etc, complete all as specified and directed.

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 providing TMT bars any dia in various structural RCC elements like columns, beams, Slabs etc. including cutting, bending, fixing of bars with welding/ tying as required at site with & including binding wires etc. and all relevant works like anchoring of the bars in the existing RCC Members, complete all as specified and directed.

M&L for PCC (1:2:4) type B-1, using 20mm graded stone aggregate as in leveling course over RCC roof/ terrace surfaces to achieve required slope, benching etc including making rounded or chamfered on edges mixed with WPC as per manufacturer's instructions,including demolition of brick/cement concrete (unreinforced) of any description and in any position not other wise specially provided for complete all as specified and directed. Note : WPC shall be measured and paid separately as "supply only".

M&L for Durastone Non skid roof tiles (300x 300) x 10-12 mm thick in floor set and jointed with neat cement slurry and pointed in coloured cement to match over screed bed or bedding layer of morar 20 mm in cement mortar 1:6 including

M & L for APP based polymeric membrane minimum weighing 3kg/sqm and minimum 3mm thick reinforced with polyster non wove fabric (wt. not less than 150 gms/sqm) land on primed surface by forced application including taking down existing APP water proofing traetment including cement/Lime plaster on roof 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 1.0kmcomplete all as specified with the following specifications complete 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%. (d) Over the membrane provide a finishing with solar reflective bitumen aluminium paint @ 0.10 Kg/Sqm as prescibed by manufacturer. (Note :- Bitumen primer paid separately)

M & L for preparation of existing surface by cleaning, removing of loose material and filling cracks with polymer modified mortar using Epoxy mortar, and applying Smartcare PU Magnum or equivalent is a polyurethane elastomeric waterproofing liquid membrane which offer superior mechincal, chemical, thermal, UV & weather resistant properties,as it is based on pure, elastomeric , hydrophobioc polyurethane coatings at a coverage of 1.6kg per sqmt in 2 coats, of make - ASIAN/ SIKA/ STP/FOSROC or equivalent including taking down existing APP water proofing treatment

Supply and Application of 5 Layer SHR Waterproofing Coating System on leaking concrete surface by thorough surface preparation followed by one absorption coat of Thermacool WP 51, nano-tech modified, UV resistant elastomeric clear coat having min. 50% solids, then overcoating with 2 Coats of Thermacool WP51 + Cement mixture as waterproofing coat having +450% Elongation, Tensile Strength min. 2.2 MPa and then top-coated with 2 Coats of Thermacool 0.3C pure acrylic based, UV resistant, non-yellowing, bio-organism resistant (anti-fungal, anti-bacterial) Solar IR Heat Reflective coating conforming to BIS STD IS 17218:2019 with Pull off Adhesion 2.8 Mpa, passes 2000 hrs accelerated durability test, suitable for all types of cementitious surfaces, white colour, matt, surface coverage 3.25 sqm/Ltr/2 coat, DFT 100 - 120 microns using brush, roller, airless spray gun as applicable. The product should have been tested at IIT or NABL Approved Lab and application is to be done by Thermacool approved applicator only including taking down existing APP water proofing treatment

M&L cement plaster (1:3) with 10 mm thick to be finished even & smooth without using extra cement mixed with WPC @ 2% by weight of cement, , complete all as specified and directed. (Note : WPC shall be measured and paid separately as supply only).

Supply only Integral waterproofing compound.

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 aluminium zinc coating GI based plain steel sheet 0.50mm of an colour having tensile strength of 550Mpa as in roof covering/cladding to wall, fixed with self tapping screws as specified. (upto 12.0m height of bldg or 5 storey bldg) including dismantling Asbestos cement (corrugated, semi corrugated, etc sheets in roof coverings

S&F Mild steel work as in band, straps, supports for RWP, clamps, hold fasts, wall ties, , hooks & pintle hinges and similar small articles conforming to Fe-290-0 or Gde E-165

S&F rolled sections as in brackets for resting of chajjas and similar work, conforming to Fe 410 -W (Gde-E-250, quality `B') and including all relevant works, including dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified and directed. (upto 12.0m height of bldg or 5 storey bldg)

S & F Steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.1161- 1998 grade St.-240 including dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified and directed.

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

S&F Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, exc 10 cm long n exc 15 cm long diameter of shank 11 to 15 mm complete all as specified and as directed

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.

Disconnecting existing water storage tanks of capacity 500 to 1000 Ltrs, 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 including cleaning and removal all scales and dirts etc from mouth of pipes etc complete all as specified and directed.

All as per item No above but 1000 litres upto and including 2000 litres

S & F 1000 litre Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I including taking down old tank complete all as specified and directed.

S & F 20 mm dia Ball brass valves, high pressure, with polyethylene float and fly nut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed. Note : A sum of Rs 49,925.00 towards sch of credit shall be deducted to arrive the contract sum.

sahajanand const co.

M/s Mohd Altaf Hanif Qureshi

M/s Hari Om Construction