Attending comprehensive repair, structural restoration, powerhouse overhauling, and rigging overhaul of 75 Ton Crawler Crane TFC-280 (Sl. No. 280-1354) stationed at Rangat Bay (Recall).

Complete Engine Major Overhauling (Cummins Engine 6CTAA-8.3C): Work includes completely decoupling the engine assembly from the crane structure prior to execution, carrying out a comprehensive major overhaul of the engine , and precision re-coupling/alignment upon completion. Scope incorporates structural crankshaft grinding, micro-polishing, and line boring to standard tolerances (if required). Complete overhauling of all engine accessories, including the fuel manifold lines, exhaust manifold loops, structural turbocharger couplings, and auxiliary connections. Overhaul must replace piston liners, compression rings, main/big-end bearings, Major overhauling gasket kits, inlet and exhaust valves, tappets rods, value seats, water pump, fuel injectors etc but not limited to pistons and involve test-bench calibration of fuel injectors and the fuel injection pump. Rate must include all material costs, GST, inbound/outbound freight/transportation charges to the mainland/authorized workshop charges, and all loading/boarding/lodging/travel expenses of the service personnel complete.

Pneumatic & Braking Systems Rectification: Complete servicing and overhauling of the air system compressor, pneumatic piping lines, control valves, and air pressure gauges. Replacing worn-out clutch drums, heavy-duty clutch linings, brake pads, boom brake assemblies, and associated mechanical linkages/accessories. Rate must include all material costs, GST, freight, and service personnel loading/boarding expenses complete.

Electrical & Steering Systems Overhauling: Complete inspection, cleaning, wiring restoration, and testing of the main control cabinet and swing controller assembly. Replacement of defective magnetic starter switches, Magnetic Pick-Up Units (MPU) for digital speed governor controls, lubrication oil safety switches, engine oil safety switches, and coolant temperature safety switches , servicing of starters / repairing (if required) . Rate must include all components, GST, freight, and service personnel loading/boarding expenses complete.

Cabin Structural Fabrication & Sheet Metal Renewal: Cutting out heavily corroded/pitted sections of the operator's cabin house structure. Supplying, tailoring, welding, and installing structural steel framing (M.S. angles, G.I. pipes, and protective grilles) along with 3.15 mm thick M.S / CR Chequered sheets for cabin floor plates, side walls, and roof panels to match original engineering designs. Including heavy-duty door hinges, commercial-grade safety locks, weather stripping, and allied fabrication work, upholstery. Rate must include all materials, GST, freight, and service personnel loading/boarding expenses complete.

Operator Cabin Glass Replacement: Removal of broken, cracked, or severely discolored glass panels from the front, side, and rear windows of the crane cabin house. Supplying and fitting new heavy-duty automotive safety glass panels tailored to exact spatial sizes, complete with fresh oil-resistant rubber beadings and locking wedges to ensure fully weatherproof sealing. Rate must include all materials, GST, freight, and service personnel loading/boarding expenses complete.

Supply and Installation of Main Hoist Wire Rope: Supplying and installing heavy-duty, galvanized, high-tensile steel wire rope for the Main Hoist assembly. Conforming strictly to IS 2266: 2019 (or latest revision) Size/Diameter: 26mm (1"), Construction: 6 x 19 / 6 x 25, Core: Independent wire rope core (IWRC)/Steel Core, Finish/Lay: Galvanized, Right Hand Regular Lay (RHOL) Tensil Designation: Minimum 1770 N/mm², Length: 600 Ft.(182.88 mtrs.) Work includes mechanical socketing, rope dressing, installation over sheaves, tensioning, and testing. Rate must include material cost, GST, freight, and service personnel loading/boarding expenses complete. [Milestone Payment Breakdown Clause]: In case the material is successfully supplied and delivered to the yard, but the department subsequently wishes not to install or defer the installation, a pro-rata deduction of 15% of the quoted item rate shall be made for the installation component. Only 85% of the quoted item rate shall be payable for supply, freight, and tax-paid delivery at site upon verification of physical condition and submission of test certificates conforming to IS 2266:2019.]

Supply and Installation of Boom Hoist Wire Rope: Supplying and installing high-tensile steel wire rope for the Boom Hoist assembly. Conforming strictly to IS 2266: 2019 (or latest revision) Size/Diameter: 19mm (3/4"), Construction: 6 x 19 / 6 x 25 / 6 x 36, Core: Independent wire rope core (IWRC)/Steel Core, Finish/Lay: Galvanized, Right Hand Regular Lay (RHOL) Tensil Designation: Minimum 1770 N/mm², Length: 450 Ft.(137.16 mtrs.), cut and wound onto the drums to exact operational length parameters. Rate must include material cost, GST, freight, and service personnel loading/boarding expenses complete. [Milestone Payment Breakdown Clause]: In case the material is successfully supplied and delivered to the yard, but the department subsequently wishes not to install or defer the installation, a pro-rata deduction of 15% of the quoted item rate shall be made for the installation component. Only 85% of the quoted item rate shall be payable for supply, freight, and tax-paid delivery at site upon verification of physical condition and submission of test certificates conforming to IS 2266:2019.]

Full-Body Corrosion Treatment & Painting: Complete Scrapping chipping, manual wire-brushing, and scaling of all rusted, loose paint surfaces across the crane housing, crawler frames, and boom structures. Application of one coat of heavy-duty industrial oil primer, surface leveling with high-grade automotive putty, followed by two or more coats of premium-grade automotive spray paint (Asian Paints / Aspa or equivalent approved brand) in the standard departmental color scheme, inside and outside complete. Rate must include all materials, GST, freight, and service personnel loading/boarding expenses complete.

Load Testing & Commissioning: Conducting operational lifting, swinging, braking, and static/dynamic load testing up to maximum possible capacity under varying radii as per standard safety norms and as per instructions of the Engineer-in-Charge (EIC). Note: The static test weights will be provided by the department free of cost. Rate must include GST and service personnel loading/boarding expenses complete.