REFURBISHMENT AND UP GRADATION OF EXISTING

REFURBISHMENT AND UP GRADATION OF EXISTING

Supply and commissioning

Dismantling existing damage floor

Fitting of 12 mm chequered

Replacement of all existing Screw conveyors

Replacement of Bucket elevator completely

Equipment area civil work

Replacement of existing lights and arranging

Supply and commissioning of Screw Compressor

Supply and commissioning of Screw Compressor 400 CFM

Supply and commissioning of Reservoir of 5 KL

Civil work for installation of compressor

Rubber lining 2 to 3 mm thick

Control panel with all associated

Blasting and priming of structure inside

Blasting hose QTY 100 METER

Operators Safety Gears

Blasting nozzle of different shape

Rotator for blasting chamber Bid Number : GEM/2025/B/6492013 Dated : 22-08-2025 Bid Document 1/18

Supply & commissioning of Blasting Pots with single chamber

dead man safety valve with one gun Capacity 2 Ton (QTY - 2 No's)

Dismantling existing damage floor concrete and levelling the surface with micro concrete (QTY-300 Sq. meter)

Fitting of 12 mm chequered plate on the floor with grouting (QTY- 200 Sq. meter)

Replacement of all existing Screw conveyors

Screw conveyors housing with SS 304 material suitable for carrying the sand/grit used in blasting along with repair of damaged side walls along with bottom structure. (QTY- 1 set) Each set consist of - 1)Spiral DIA 250mm QTY - 6 NOS 2)Longitudinal spiral length 4500mm Each QTY - 4 NOS 3)TRANSVERSE SPIRAL LENGTH 3813mm Each QTY - 2 NOS 4)Longitudinal trough size 300mm x 300 mm x 420mm x 9220mm(L) 5)Transverse trough size 350 mm x 270 mm x 7276 mm(L) 6)spiral shaft dia 60mm each QTY - 6 NOS

Replacement of Bucket elevator completely with new elevator made in sheet metal to withstand the load of blasting media repair/replacement of damaged side walls along with bottom structure (QTY - 1 SET) Each set includes 52 Buckets.

Equipment area civil work : chipping

water proofing and fixing of the side wall tiles

walk bay tiles (QTY- 200 sq.meter)

Replacement of existing lights and arranging more lights at lower level for better illumination and provision for flop opening and closing mechanism during painting lights should be dust proof

water proof and fire proof. (QTY- 25 NOS)

Supply & commissioning of Dust collector (QTY- 1 SET)

Supply & commissioning of Screw Compressor 800 CFM along with air dryer (QTY- 1 NOS)

Supply & commissioning of Screw Compressor 400 CFM along with air dryer (QTY- 1 NOS)

Supply & commissioning of Reservoir of 5 KL (QTY- 1 NOS)

Civil work for installation of compressor ( Including compressor room

) (QTY- 500 sq.meter)

Rubber lining 2 to 3 mm thick 1200/1400mm width on side wall (QTY- 750 sq.meter)

Control panel with all associated wiring

controls for all systems (QTY- 1 NOS)

Blasting and priming of structure inside the chamber Surface Grade : Sa2.5 Roughness : Medium M Blasting Media: Fused Alumina or Steel Grit (QTY- 5000sq.meter)

Blasting hose (QTY- 100 METER)

Operators Safety Gears: Each set consist of Blasting hood - 1 NOS Hand Gloves - 1 PAIR Air breathing apparatus - 1 NOS Air mask with charcoal filter - 1 NOS Gum boot - 1 PAIR (QTY- 2 SET)

Blasting nozzle of different shape and size (QTY- 1 SET) 1)Double venture Straight Nozzle 8 inch - 1 NOS 2)Double venture Straight Nozzle 10 inch - 1 NOS 3)Angle Nozzle 8 inch - 1 NOS 4)Angle Nozzle 10 inch - 1 NOS

Rotator for blasting chamber (As per the existing rotator) Rotor must have rubber lining on it (Cylindrical job rotators for rotating of submarine sections of adjustable diameter 6m to 8 m and length 15 meter) (QTY1 SET) Each set include 2 rollers.