Rain protection works, External repairs and other Miscellaneous Civil works in NTS Complex, BARC, Anushakti nagar, Mumbai.

DISMANTLING OLD PLASTER OR SKIRTING carefully, raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 100M lead as directed by the Engineer-in-charge.

DISMANTLING PLAIN CEMENT CONCRETE manually / by mechanical means carefully without damaging adjacent structures including disposal of debris within 200m lead as per direction of Engineer-in-charge

Dismantling brick work in Cement mortar carefully without damaging adjacent structures including stacking of materials and dispoal of unserviceable materials within 100 m lead as per direction of Engineer-in-charge

Dismantling brick bat coba cement based water proofing over roof and chajjas carefully without damaging adjacent structures including lowering and stacking of materials and dispoal of unserviceable materials within 200 m lead as per direction of Engineer-in-charge

DISMANTLING ALUMINIUM / GYPSUM PARTITIONS, DOORS, WINDOWS, FIXED GLAZING AND FALSE CEILING including disposal of unserviceable surplus material and stacking of serviceable materials within 100m lead as directed by the Engineer-in-charge.

Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 100 m lead. For thickness of tiles above 10 mm and up to 25 mm

Lead charges for lead Exceeding 4 KM not exceeding 5 KM, by mechanical transport including loading, unloading, stacking / levelling etc.( Note : The rates in respect of item are applicable for the net quantity arrived at after making deductions for voids at 30% from the corresponding stack/truck measurements.)

Debris Beyond 4 Km but up to and including 5 Km.

Debris Beyond 5 km for every 1 KM or part thereof

Providing and laying in position cement concrete of 1:2:4 (1 cement, 2 crushed sand, 4 graded stone aggregate of nominal size 20 mm) including consolidation, finishing, curing etc. complete as per specification and drawings but excluding the cost of Formwork shuttering, centering and steel reinforcement at all Levels

Providing and constructing Half brick masonry using bricks of approved quality / class, make/ brand in partition walls in C.M 1:4 (using crushed sand) including scaffolding, raking out joints, curing etc. complete and with stiffners of RCC 1:2:4 (105 X 75 mm size) at every 900 mm height including form work curing etc. complete as per specifications and as directed by the Engineer-in-charge but excluding reinforcement up to 20 m height. (Reinforcement will be paid under relevant item)

Providing 15 mm thick plastering using Ready mix internal plastering compound of approved make for internal faces of brickwork / concrete surfaces including preparation of the surface, curing, cleaning, scaffolding complete all as per specifications and as directed at site by the Engineer-in-charge

Providing 20 mm THICK PLASTERING USING READY MIX EXTERNAL PLASTERING COMPOUND for External faces of brickwork / concrete surfaces including preparation of the surface, curing, cleaning complete. all as per specifications including forming drip moulds wherever necessary and as directed by the Engineer-in-charge.

Extra for providing and mixing WATERPROOFING COMPOUND added @2% by weight of cement or in the proportion by the manufacturer and as directed by the Engineer-in-charge.

Preparing the existing waterproofing by making it slightly rough by grinding the same by mechanical means and cleaning the surface, removal of polycon net etc. and to make it free from all unwanted dust, loose material and other contaminants that may damage the water proofing treatment complete as directed by the Engineer-in-charge.

Providing and applying polymer RBR cement slurry in Ratio of 1:1.5 as Bond coat on the cleaned area and laying 25-32 mm thick Cement mortar (1Kg Cement:1.75kg River sand:0.75 kg Silica sand and 200 ml Polymer) mixed with approved waterproofing compound, finish smooth with cement slurry, making the finish smooth with cement slurry, marking the finished surface with pattern as matching the old finishes etc. including cost of all materials, labour, machinery, tools & tackles and consumables all complete as per specifications and as directed by Engineer-in-charge.

Grading roof for water proofing treatment with concrete / cement mortar as specified to obtain proper slope all as directed by the Project engineer.By using Cement Mortar 1:3 using 100% Manufactured sand.

Providing and applying cold liquid Polyurethane waterproofing system on Horizontal surfaces including coving (if any) having following layers: (a) Primer / base coat: Providing and applying (Pre-Measured Packed) silver grey coloured 2 (two) component solvent free, odourless, Epoxy-based Primer with excellent adhesive property on the clean and grinded surface/substrate. The substrate can be slightly moist (in concrete, the moisture must be less than 20 %), sound and free from any material that would hinder good adhesion. Mix component 'A' into component 'B' in ratio of 1: 0.16 by weight thoroughly with a clean stirring stick. The mixture should be of uniform colour & free from streaks and be applied evenly with roller. The primer should be completely dry for further application of liquid applied polyurethane based membrane/ coating. The consumption, depending on the nature and condition of the substrate for priming, should be within the range of 250 – 400 gm/sq.m. The rate shall including cost of all material, labour, tools & plants, consumables etc. complete all as directed by EIC. (b) Top coat: Providing and applying cold liquid applied waterproofing based on highly flexible solvent free single component Polyurethane system and special needle punched non woven, system compatible polyester fleece of minimum 120 GSM as reinforcement. The cold liquid applied reinforced system shall have high crack bridging property and shall be UV stable, solvent-free, Cool Roof system. Application procedure: (i) Stir the material well before use. (ii) 2/3rd of the waterproofing mix material to be applied on the primed substrate and the special polyester fleece of min. 120 gsm to be rolled with roller including removal of air bubbles with an overlap of min. 5 cm. (iii) The remaining 1/3rd of the waterproofing material to be poured onto the surface until complete saturation is achieved. The layers should be applied on wet surface of earlier coat and there should not be any time lag during the laying of the system. (iv) After curing, one coat of material approx. 300g/sq.m. to be applied after 24 hours. (v) The total system of waterproofing for material and components shall be procured from single manufacturer. (vi) The total thickness achieved from the application should be from 1.4 to 1.7 mm. (vii) The total consumption of mix waterproofing depending on the nature, porosity and condition of the substrate should be in the range of 2.3 to 2.7 kg/sq.m. The rate shall including cost of all material, labour, tools & plants, consumables etc. complete all as directed by EIC. Specifications/Technical Parameters: The tensile strength of the membrane shall be min. 8.60 N/sq.mm and Elongation at break with fleece shall be min. 83.0 % (with fleece). The Tear Resistance of the membrane shall be min. 41.0 N/mm, Solar Reflection Index (SRI) Value of membrane shall be min. 100, Degree of solar reflectance of the membrane shall be min. 85% and adhesive strength shall be min. 2.40 N/sq.mm. etc.

Providing and laying integral cement based water proofing treatment including preparation of surface as required for treatment of roofs, balconies, terraces, chajjas etc. consisting of flowing operations (i)Injecting the top slab as required with cement and approved water roof compound solution to fill up all inherent holes, voids honey combs etc.in the concrete slab, setting "autoclaved aerated light weight block bats" coba in waterproof mortar with necessary gradient for easy flow of water & continue the treatment along the inner faces of parapet or other adjoining wall upto a height of 300 mm in the shape of vatas, finishing the surface with 20 mm thick jointless cement mortar of mix 1:4 (using river / crushed sand) admixed with proprietary water proofing compound conforming to IS 2645 and approved by Engineer-in-charge including mixing 'polyster fibre of approved make' at the rate of 125 grams per 50 kg of cement in top layer of plaster and finally finishing the surface with trowel with neat cement slurry and making pattern of 300 X 300 mm square, 3 mm deep (v) The whole terrace so finished shall be flooded with water for a minimum period of 2 weeks for curing and for final test. All above operations to be done in order and as directed and as specified by the Engineer-in-charge 120 mm Average thickness for terraces using river sand / crushed sand.

Extra over 120 mm thick for providing cement based waterproofing treatment to new terraces / chajjas including cleaning the concrete surfaces, giving injections to the top slab as required with cement & approved waterproofing compound solution to fill up all inherent holes, voids honey-combs etc. in the concrete slab, setting "autoclaved aerated light weight block bats" coba in waterproof mortar 1:4 (using crushed sand) with necessary gradient for easy flow of water, complete as per specifications and as directed by the Engineer-in-charge. (Measurement will be over and above the average thickness of 120 mm only)

Providing & Fixing Nozzles for Injection Grouting: Packers of 14 mm dia 110 long the cracks (V-groove) at an interval of 500 mm c/c for about 50 mm to 75 mm deep, clean the holes using air jet and make them dirt & dust free. Fix the SS nozzles/packers having non-returnable valves for pressure grouting using non-shrink two component epoxy putty . The rate shall include cost of all required material, machinery, tool,tackles , all consumables and labour wages etc ., Complete all as per specification and as directed by the Engineer-In-Charge at all heights / lifts and at all locations.

Cleaning the horizontal and vertical surface, chasing and opening the construction joints, cracks, honeycombing area and grouting the surface with low viscosity liquid Epoxy Grout as manufacturer's specification including cost of all types of required tools, tackles, machinery etc. and cleaning the floor surface ith required thinner & oils, etc. all complete as directed by the Engineer-in-charge.

Providing and applying cold liquid Polyurethane waterproofing system on Vertical surfaces above coving (if any) having following layers: (a) Primer / base coat: Providing and applying (Pre-Measured Packed) silver grey coloured 2 (two) component solvent free, odourless, Epoxy-based Primer with excellent adhesive property on the clean and grinded surface/substrate. The substrate can be slightly moist (in concrete, the moisture must be less than 20 %), sound and free from any material that would hinder good adhesion. Mix component 'A' into component 'B' in ratio of 1: 0.16 by weight thoroughly with a clean stirring stick. The mixture should be of uniform colour & free from streaks and be applied evenly with roller. The primer should be completely dry for further application of liquid applied polyurethane based membrane/ coating. The consumption, depending on the nature and condition of the substrate for priming, should be within the range of 250 – 400 gm/sq.m. The rate shall including cost of all material, labour, tools & plants, consumables etc. complete all as directed by EIC. (b) Top coat: Providing and applying cold liquid applied waterproofing based on highly flexible solvent free single component Polyurethane system. The cold liquid applied reinforced system shall have high crack bridging property and shall be UV stable, solvent-free, Cool Roof system. Application procedure: (i) Stir the material well before use. (ii) 50% of the waterproofing mix material to be applied on the primed substrate with roller including removal of air bubbles with an overlap of min. 5 cm and until complete saturation is achieved. (iii) After curing, balance 50% of material to be applied after 24 hours. (iv) The total system of waterproofing for material and components shall be procured from single manufacturer. (v) The total thickness achieved from the application should be from 0.47 to 0.57 mm. (vi) The total consumption of mix waterproofing depending on the nature, porosity and condition of the substrate should be in the range of 0.77 to 0.80 kg/sq.m. The rate shall including cost of all material, labour, tools & plants, consumables etc. complete all as directed by EIC. Specifications/Technical Parameters: The tensile strength of the membrane shall be min. 8.60 N/sq.mm and Elongation at break with fleece shall be min. 83.0 % (with fleece). The Tear Resistance of the membrane shall be min. 41.0 N/mm, Solar Reflection Index (SRI) Value of membrane shall be min. 100, Degree of solar reflectance of the membrane shall be min. 85% and adhesive strength shall be min. 2.40 N/sq.mm. etc. Note : The contractor shall provide min. 10 (ten) years Leak Proof Performance warranty for the complete waterproofing work.

Providing and applying cementitious based crystalline waterproofing system : (i) Cleaning the Surface with wire brush, high pressure water jet to remove dust, dirt etc. (ii) All Honeycombs/ loose concrete shall be treated using low-shrink cement mortar. The construction joints shall be chased open and filled with high strength polymer mortar and to be grouted with cement slurry by fixing PVC nozzles at distance of 2m c/c. (iii) Applying cementitious based crystalline slurry in two coats on Raft, Retaining wall or RCC structural member from Inside (negative side) and on terrace slabs from outside in order to form insoluble gel crystals that penetrate deep into the concrete to permanently block the capillaries and minor cracks up to 0.3mm width. The Crystalline cementitious waterproofing treatment shall remain water- resistant even under pressure when tested in accordance to DIN 1048 and at the same time allow the concrete to “breathe” by allowing the passage of water vapor out of the structure.

Providing and fixing in position 50 mm thick JOINT FILLER BOARD of Approved make in expansion joints to the required size and shape, placing and keeping in positioncomplete as per specifications and drawings and as directed by the Engineer in charge.

Providing and fixing machine moulded anodised ALUMINIUM SHEET COVERING of approved pattern and design made out of required width machine cut aluminium steel and machine holed for receiving screws over expansion joints on vertical surfaces/ceilings/floors with full threaded, cadmium plated steel screws 4 mm dia, 30 mm long and aluminium washers 2 mm thick, 15 mm dia at a staggered pitch of 200 mm centre to centre including drilling holes in the receiving surface and providing expandable plastic sleeves in holes etc. complete, made out of colour anodized aluminium sheet 3.0 mm thick or as specified (Minimum coating of anodisation shall be of 15 micron thickness).

Providing and Painting with Epoxy PU Primer paint using 2 coats of (120 Micron dry film thickness) Epoxy PU coating as finishing coat over a priming coat of 50 micron thickness over steel surfaces at all locations prepared and applied as per manufacturer' specifications including preparation of surface by cleaning with wire brush and rubbing, scraping, applying sand paper, making free of Rust, dust, dirt etc. filling the holes, joint, cracks if any using epoxy putty complete. all as per manufacturers technical data and as directed at site to achieve minimum overall dry Film thickness of 170 micron (50 Micron primer Coat + 120 micron finishing Coat). On STEEL surfaces

Providing and laying minimum 25 mm thick uniform shade Kotah stone flooring over 20 mm thick (Average) base laid over and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing in minimum three levels to obtain mirror polish complete with base cement mortar 1:4 (using crushed sand) all as per specifications, patterns and drawings complete.

Providing supplying and sealing the Expansion Joints with Gungrade Polysulphide sealant suitable for RCC Construction Joints of approved make or equivalent by removing the expansion joint board up to 25 mm deep and cleaning the suface neatly and filling Gungrade sealent up to 25 mm deep to the lines and levels complete all as per manufacturers specifications and as directed by the project engineer. 50 mm wide expansion joint.

Forming of grooves of uniform size from 12 mm X 12 mm to 25 mm X 15 mm in plastered surfaces as per approved pattern using wooden batterns, nailed to the under layer including removal of wooden batterns, repair to the edges of plaster panels and finishing the groove complete as per specifications and as per the direction of Engineer-in-charge

Providing SFMC MICRO CONCRETE using 100% SFMC for strengthening of structural members including mixing, pouring, curing as per manufacturer specifications and as directed by the Engineer-in-charge

Providing , centering ,shuttering Form work using PVC film faced plywood to get a neat form finish surface for all types of structures including necessary strutting, proping, staging, supports etc and deshuttering the same after the specified time all as per drawings, specifications and as directed by the Engineer-in-charge at all levels for superstructure.

Providing and fixing ANODIZED ALUMINIUM WORK FOR DOORS, WINDOWS, VENTILATORS and partitions with extruded built up standard tubular sections / Z sections and other sections of approved make conforming to IS 733 and IS 1285 fixed with rawl plugs and screws or with fixing clips or with expansion hold fastners including necessary filling up of gaps at junctions, at top, bottom and sides with required PVC / neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically whereever required including cleat angle, aluminium snap beading for glazing / panelling, C.P brass / stainless screws all complete as per drawings and and directions of Engineer-in-charge including providing and fixing hinges / pivots and making provision for fixing of fittings wherever required including the cost of PVC / neoprene gasket required filling the gaps using silicon grout sealent etc. (fittings glazing and panelling shall be paid for separately).

Anodised Aluminium sections (Minimum anodizing thickness of 15 micron)

Extra for COLOUR ANODIZING / DYED ANODIZING

Providing and fixing glazing in aluminium doors, window, ventilator shutters and partitions etc with PVC / Neoprene gasket etc. complete as per the architectural drawings and directions of the Engineer-in-charge. (Cost of snap beading shall be paid in basic item)

With clear float glass panes of 6 mm thickness

Providing, supplying, cutting, welding, fabricating, hoisting and fixing in position structural steel members like trusses, purlins, posts etc. using MS hollow / circular / square / rectangular tubular sections including appling a coat of Zinc chromate primer of approved make all as per specifications, drawings and as directed by the Engineer in charge. Notes: 1) Structural steel required for the work shall not be supplied by the Department and the contractor has to procure the same. 2)Welding weights, connections, bolts and nuts shall not be measured for payment, but the cost of which shall be deemed to have been included in the rates. 3)All holes will be made by drilling only. Gas cutting of holes will not be permitted. 4)Electrodes of approved equivalent quality/ product meeting technical parameters only shall be used. 5)Edges of plates shall be grinded to uniform smooth finish. 6)Full length welding shall be carried out as directed by the EIC.

Designing, providing and fixing of 4 mm thick approved make and shade Aluminium Composite Metal Panel of approved make cladding at different locations including soffits of over-hangs and including aluminium frame work with grids filled in with weather silicon sealant as per the drawings. The ACM panel composition shall be of 0.5 mm thick PVDF coated aluminium sheet + 3 mm thick low density polyethelene virgin resin core + 0.5 mm thick polyester (PVDF) coated Aluminium sheet all complete as per approved shop drawings and specification (Aluminium frame work will be paid under relevant item) Note : ACMP shall be measured to the actual visible area of the ACP sheet including silicon joints as fixed on site. (Shop drawings to be prepared by the contractor as per the site conditions and the same shall be got approved by Engineer in charge before procurement.)

Providing and Fixing Anchor Fastner of approved make including drilling in concrete as per requirement for fixing Eps or other structures all as specified by the manufacturer complete all as per specifications and drawings.

16 MM diameter 200 mm Long

Providing and fixing Minimum 15 to 17 mm thick gang saw cut mirror polished (premoulded and prepolished) machine cut Granite of Telephone Black colour for kitchen platforms, vanitiy counters, Wash basin Counters, Door Frames, window sills, facias and similar locations of required size, colour and texture laid over 20 mm thick base cement mortar 1:4 (using crushed sand) with joints treated with white cement, mixed with matching pigment, epoxy touch ups, including rubbing, curing, moulding and polishing the edges to give high gloss finish etc. complete as directed by the Engineer-in-charge at all levels.

REPAINTING OF OLD PAINTED SURFACES with two coats of paint with premium plastic emulsion paint/ synthetic enamel paint of approved make to give an even shade over a coat of approved cement primer including preparing the surfaces, including removal of old paint, scraping if any, sand papering, entirely filling with acrylic wall putty and other cracks with repair mortar as required, including scaffolding & cleaning, cost of all materials, labour, all as per drawing, specifications and as directed by E-I-C.

Using PLASTIC EMULSION paint On plastered surface

Providing and painting walls with (Two coats) of approved shade of high build protective, ELASTOMERIC WATER PROOF EXTERIOR GRADE PAINT of approved make of required shade, minimium dry film thickness of 250 microns acheived in two or more coats / as per manufacturer's specifications including preparation of the surfaces by scrapping / wire brush, scaffolding complete. Primer coat will be with approved make with water in ratio of 1:2 and 2coats of finishing coat without water all as directed by Engineer-in-charge.

Providing and fixing DOUBLE TUBULAR SCAFFOLDING SYSTEM using H- frames with cup lock type on the exterior side upto seven storey height made with 40 mm dia M.S. tube 1.5 m centre to centre horizontal and vertical tubes joining with cup and lock system with M.S. tubes, M.S. tube challies, M.S clamps and M.S staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connection with building etc. wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and as approved by the Engineer -in - charge. The elevational area of the scaffolding shall be measured for payment purposes. The payment shall be made once irrespective of duration of scaffolding.

Providing & Fixing CONSTRUCTION SAFETY NET OF HDPE green braided knotted net of 5mm thickness with mesh size of 75mm*75mm square, with inner lay mesh of Delux Mono Knitted net border & Tie cord rope shall be of 10mm Polypropylene (PP) rope. The safety net to be made as per the size required at site. The cost includes all the materials, labour, ropes required for tieing / fixing at site complete as directed by Eingineer-in-Charge.

Providing, Supplying, Placing and Tieing / Fixing POLYPROPYLENE (PP) ROPE OF 12MM DIA Confirming IS:5175 PP rope to be placed as intermediate horizontal supports and from roof beams. The cost includes material cost, tieingthe ends with proper material & metho, labour charges etc. complete aa as per directed by Engineer-in-Charge.

Filling the groves of expansion joint horizontal/vertical tightly with POLYURETHANE BACKER ROD/SHEET as required upto a height of 20m including material, scaffolding, etc all complete as directed by the Engineer-in-Charge.

Removing the damaged PVC Flooring and Providing and Fixing HOMOGENEOUS 2.00mm THICK PVC SHEET /Tile in Flooring and skirting

REMOVING THE DAMAGED PVC FLOORING carefully including removing the resins sticking on the floor, cleaning the floor carefully stacking the serviceable materials at places shown and disposing the unserviceable materials within 50 m lead at places shown complete as directed by the Engineer-in-charge.

Providing and Fixing Homogeneous 2.00 mm thick PVC sheet / tile in flooring and skirting of approved make in approved pattern on a smooth and damp proof base using rubber based adhesive of approved quality and manufacturer including, levelling small undulations with plasterof paris if required , rolling with light wooden roller weighing about 5 kg all complete as directed by Engineer-in-charge in approved colour and shade

CARRYING OUT MANUAL MISC. CARPENTRY / PLUMBING JOBS like minor repairs, fixing fitting and fixtures etc. as and when required and as directed by the Engineer-in-charge Note: 1. Labours shall bring necessary carpentary / plumbing tools. 2) Payment shall be made as per the Log book duly approved by the Enginner in charge. 3) The log book shall consist of the day-to-day attendance of complaints/ work assigned and the time taken to attend each activity. The total time of 8 hrs. shall be considered as ONE manday. 4) Contrator shall arrange necessary Police Verification Certificate for the workers engaged for the work.General Notes: 1)The contractor shall deploy minimum TWO numbers of skilled labour (one plumber & one carpenter) on daily basis, except only on Republic day, May day, Independence day, sundays but needs to attend any emergency complaint any time of 365/366 days of the year covered during the period of contract Their working hours are 8.30, with a lunch break of half-an-hour,as per the discretion of the Engineer-In-Charge, 2) Penal recovery of Rs. 500 per person per day shall be imposed for their absence. During absence, a similar& suitable person can be replaced by contractor, with the prior permission of EIC. 3)The contractor & his authorised supervisor shall be available on their registered mobiles and respond to calls from Dept. Site Engineer@ 24x7 on all 365/366 days of the contract. 4) The contractor shall submit the samples of all the materials to be used in the work for prior approval of EIC, before carrying out any work.

SKILLED CARPENTER (CARPENTRY WORKS) with valid Police Verification Certificate for entire contract period.

Supplying man power along with necessary pans, spades, shavels, pickaxe, punjas, ropes, small special spade raincoats etc. minimum two number of labour per day upto maximum any number of labour as and when decided by Project Engineer to work for eight hours per day or monsoon period to carry out the cleaning of choked drains grating grills/hume pipes /footpath by removing the dry leaves, silt etc. and also carry out seasonable departmental work allotted by Project Engineer from time to time.

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