SPL REPAIRS / REPLACEMENT OF HANGER FLOORING WITH EPOXY COATING, BIRD PROOF NETS, DRAINAGE IN BLDG P-135 MAINTENANCE FLIGHT HANGER OF 201 ARMY AVIATION SQN (UH) UNDER GE NASIK ROAD CAMP.

Amount

Epoxy Polyurethane Coating (EPU) Supplying and applying ESD Ployurethane Flooring System as per the following Specification:- (a) Surface preparation: preparing the existing surface of floor by using proper scarification eqpt and cleaning by wire brushing & blow etc, to remove all dirt, dust, oil etc to expose clean sound base concrete. Cost shall include any imperfections in the concrete shall be treated with suitable repair system as per manufacturer specification. Note:- (i) Material /Chemicals required for repairing crack, potholes and damaged areas shall be paid separately at supply only rates. (ii) Treatment of construction and expansion joints including filling as per manufacturer's specification and direction of Engineer-in-Charge, which shall be paid separately. (b) Primer: Supply and application of moisture insenstive solvent free epoxy bonding primer over the prepared surface (Floor/coving) in a thin continuous film and work the Primer into the surface using a stiff brush or roller. Apply second priming coat on identified light colored dry patches over first coat. (c) Base Coat/Scratch Coat : Supply and application of 1mm thick base layer with cementitious Polyurethane of self smoothing self levelling epoxy underlay spread evenly to maintain the thickness using a serrated trowel followed by spike roller, rolled over the levelled underlay to remove any entrapped air all as per manufacturer instructions and as specified.

(d) Anti Static grid : Supply and fix copper earth strip of size 25mm wide and 80 micron thick, fixed over the floor area along the perimeter and internally with a grid size of min 3mx 3m and max 5m between strips. The Surface shall be treated with aqueous anti static epoxy system, conductive under coat spread as specified and as manufacturer's instructions. The conductivity of the under coat shall be 2 x10^3 ohms - 4x 10^3 ohms. The entire system to be connected to earth pit AND testing complete. (e) Epoxy Polyurethane Coating (EPU): Providing 3 mm thick epoxy polyurethene ESD flooring, having 28 days compressive strenght as per ASTM C 109 45MPa, Flexural strenght will be 12 MPa as per BS 6319-3, Tensile strength will be 4MPa as per BS 6319-7, having surface of earth resistance < 1 x 160 Ohms. The fire resistivity of the material has to be of class 2 as per BS 476-7.

Supply only material /Chemicals required for repairing crack, potholes and damaged areas as per manufacturers speccfications.

Racking out existing construction joints/dummy joints 10mm wide x 25mm deep in concrete pavements, cleaning surfaces and sweeping to make the surface free from dust/dirt with air compressor/blower and removing debris to distance exceeding 200m from edge of pavement for disposal in low laying areas

Racking out existing Expansion joints 20mm wide x 25mm deep in concrete pavements, cleaning surfaces and sweeping to make the surface free from dust/dirt with air compressor/blower and removing debris to distance exceeding 200m from edge of pavement for disposal in low laying areas.

M&L for nosing the damaged edges of the construction joints using epoxy mortar and make joints straight and smooth, filling the joints using flexible Elastomeric sealent of Polysulphide / polyurethene make including fixing of backer rod with straight edge finish all as specifide and as directed.

M&L for nosing the damaged edges of the expansion joints using epoxy mortar and make joints straight and smooth, filling the joints using flexible Elastomeric sealent of Polysulphide / polyurethene make including fixing of backer rod with straight edge finish all as specifide and as directed.

M&L for gangway yellow line marking not exc 150 mm wide in in floors. Fixing of masking tapes on both sides of line, cleaning the surface using solvents, mixing two components high build coating in two coats of 0.50mm (min) thickness each and removing masking tapes followed by neat finish as directed.

Taking down anti bird netting of any description at any position and any height complete all as specified and directed by Engr-in-Charge.

M&L for bird proofing net made of Anty Bird net in UV black colour made of material Polyolfin all weather proof Co-polymer of machine knotting using CNC machine with DSLS technology for anti silp knotting, heat setting should be steam saet for greater dimensional stability and knot firmness and diameter of the twine is 1mm and size of mesh 25x25mm (+2) and should achive twine breaking strength of 16 Kgf (160N) minimum and MBS (Knot breaking strength) 12 Kgf (120N) and KBS (Knot breaking strength) 22 Kgf (220N) minimum fixed complete all as per manufacturers instructions complete on trusses. Bird proofing arrangement shall fixed/tied to truss members (at any height / any location ) with nylon wire as per manufactures instructions & as per direction of Engr-in-Charge.

Sai construction & services

MADHAV THAKOBA DONGRE

M/s M R MAHANA

DHARMESH ENTERPRISES

Bidder Name

DHARMESH ENTERPRISES

M/s M R MAHANA

Sai construction & services

Abhiraj Enterprises

MADHAV THAKOBA DONGRE