Refurbishment or Revival of a portion of Engineering Hangar at Begumpet Airport WINGS INDIA 2026

Amount

"Roof Top painting Cleaning the roof surface thoroughly using nylon/soft wire brushes to remove dust, dirt, loose particles, algae, and foreign materials, followed by washing with clean water and allowing to dry completely. Preparing the existing ABS and bitumen-covered roof surface to ensure a smooth, clean, and even finish suitable for paint application. Applying one coat of compatible water-based primer (where required) to ensure proper adhesion of the finishing coats. Applying two coats of exterior-grade water-based acrylic emulsion paint of approved make and shade, ensuring uniform coverage and specified finish. Replacing/repairing damaged, cracked, or deteriorated ABS sheets, including supply and fixing of new sheets of matching size and thickness, properly secured in place. Any damage caused during the execution of works shall be restored to original condition at no additional cost. The item includes all labour, materials, tools & plants, scaffolding/staging for working at all heights, and providing, using, and maintaining all required safety equipment such as safety belts, harnesses, helmets, lifelines, PPE, etc., along with all incidental works, complete in all respects as per specifications and directions of the Engineer-in-Charge.

Exterior Roof-top wall Painting Cleaning the exterior wall surface thoroughly using nylon/wire brushes to remove loose flakes, dust, dirt, algae and fungal deposits, followed by washing with clean water and allowing the surface to dry completely. Cutting open cracks, removing loose/unsound material, and repairing damaged plaster in patches up to 25 mm thickness using cement mortar in the proportion 1:4. Applying crack filler wherever required and ensuring proper curing of repaired areas. Applying one coat of exterior-grade water-based primer uniformly on the prepared surface to ensure proper adhesion of the finish coats. Applying two or more coats of exterior-grade acrylic emulsion paint of approved make and shade to achieve an even, uniform shade and finished appearance as specified. The item includes all labour, materials, tools & plants, scaffolding/staging for working at all heights, protective coverings to avoid paint spillage or staining, and the use and maintenance of all required safety equipment such as helmets, safety belts/harness, lifelines, PPE, etc., along with all incidental works, complete in all respects as per specifications and direction of the Engineer-in-Charge.

Exterior Wall Painting Clean the exterior wall surface using nylon/wire brushes. Remove dust, dirt, loose and flaking paint particles, algae, and fungal growth. Wash the surface thoroughly with clean water and allow it to dry. Cut open cracks, remove loose plaster, and clean the damaged area. Repair plaster patches up to 25 mm thickness using cement mortar (1:4) and finish flush with the existing surface. Apply crack filler where required and allow adequate curing and drying. Sand and smoothen the surface to achieve a uniform base. Apply one coat of compatible exterior wall primer evenly on the prepared surface. Allow primer to dry as per manufacturer’s recommendations. Apply two or more coats of exterior-grade acrylic emulsion paint of approved make. Ensure tinting/colour blending to match the existing shade and finish. Ensure uniform texture and complete coverage after each coat. Carry out minor surface preparation such as sanding, cleaning, and removal of loose paint. Tighten screws and apply putty/filler in small gaps and surface defects. Apply one coat of primer where necessary. Apply two or more coats of approved synthetic enamel paint (or matching finish) to achieve a smooth, uniform surface. Arrange scaffolding/staging for safe working at all heights. Protect doors, windows, flooring, and adjacent finished surfaces from paint spatter. Conduct colour-matching trials for final approval before bulk painting. Use proper tools & equipment and follow all safety measures. All labour, materials, tools and plants, scaffolding and safety equipment. Complete surface preparation and finishing works. Execution in all respects as per specifications and instructions of the Engineer-in-Charge.

Fabrication Repairing & fixing of MS Structural members along with GI sheets Identifying damaged steel structural members and deteriorated GI sheets. Marking components for dismantling or repair. Cutting and removing damaged steel members using gas cutting/power tools. Dismantling old GI sheets with care to avoid damage to supporting structure. Collecting, stacking and disposing of dismantled material as instructed. Straightening bent members wherever feasible. Fabricating new members to required size and profile. Welding, alignment, and refixing structural components in position. Cleaning structural members by wire brushing / mechanical cleaning to remove rust, scale, oil and dust. Fixing new GI sheets of approved gauge and profile. Using GI self-drilling screws / J-hooks with neoprene washers. Applying sealing compound at overlaps, ridges, valleys and joints to ensure watertightness. Applying one coat of approved primer (where required). Applying two coats of aluminium/silver paint on all exposed steel surfaces and sheet surfaces for uniform finish and corrosion protection. Fabrication, supply and installation of MS gate of size 12 ft × 8 ft, including cutting and welding of MS sections to the required design, fixing and securing fibre / plastic sheet cladding to the gate frame with appropriate fasteners, providing and installing a complete lock and latch arrangement, hinges, stoppers and all necessary accessories, surface preparation and painting of the MS members with approved primer and enamel paint, and installation of the gate in position including alignment, grouting of supporting posts, and ensuring smooth operation. Inclusions. All labour, materials, tools & plants, consumables, gas cutting and welding equipment (where applicable). Scaffolding, staging, working at all heights. Disposal of dismantled material. Compliance with all applicable safety regulations. The item includes all labour, materials, tools & plants, scaffolding/staging for working at all heights, and providing, using, and maintaining all required safety equipment such as safety belts, harnesses, helmets, lifelines, PPE, etc., along with all incidental works, complete in all respects as per specifications and directions of the Engineer-in-Charge. Disposal of dismantled material only after concurrence from AIESL EIC. Compliance with all applicable safety regulations. Along with Structure and sheets.

Fabrication Repairing & fixing of MS Structural members along with GI sheets Identifying damaged steel structural members and deteriorated GI sheets. Marking components for dismantling or repair. Cutting and removing damaged steel members using gas cutting/power tools. Dismantling old GI sheets with care to avoid damage to reusable parts. Collecting, stacking and disposing of dismantled material as instructed. Straightening bent members wherever feasible. Fabricating new members to required size and profile. Welding, alignment, and refixing structural components in position. Cleaning structural members by wire brushing / mechanical cleaning to remove rust, scale, oil and dust. Fixing new GI sheets of approved gauge and profile. Using GI self-drilling screws / J-hooks with neoprene washers. Applying sealing compound at overlaps, ridges, valleys and joints to ensure watertightness. Applying one coat of approved primer (where required). Applying two coats of aluminium/silver paint on all exposed steel surfaces and sheet surfaces for uniform finish and corrosion protection. Fabrication, supply and installation of MS gate of size 12 ft × 8 ft, including cutting and welding of MS sections to the required design, fixing and securing fibre / plastic sheet cladding to the gate frame with appropriate fasteners, providing and installing a complete lock and latch arrangement, hinges, stoppers and all necessary accessories, surface preparation and painting of the MS members with approved primer and enamel paint, and installation of the gate in position including alignment, grouting of supporting posts, and ensuring smooth operation. Inclusions. All labour, materials, tools & plants, consumables, gas cutting and welding equipment (where applicable). Scaffolding, staging, working at all heights. Disposal of dismantled material. Compliance with all applicable safety regulations. Only replacing the existing sheets with new sheets.

Cleaning of Offices Sweep all floors using soft/hard brooms. Remove loose dust, dirt, and cobwebs from walls, ceilings, corners, doors, windows, ventilators, grills, electrical fittings, fans, furniture, and shelves using nylon brushes and dusters. Wipe furniture, doors, windows, ventilators, shelves, and electrical fixtures. Clean and wipe glass panes, window grills, door frames, and skirting. Mop floors with wet mops using approved cleaning agents, disinfectants, and deodorants. Wash floor areas wherever required to remove stains, spills, and marks. Remove rubbish, waste materials, and unwanted vegetation from inside rooms and surrounding areas. Clear garbage from accessible as well as inaccessible spots. Collect all swept and removed waste in bags or containers. Transport and dispose of the waste at designated disposal points outside the premises, as instructed by the Engineer-in-Charge. All labour, materials, tools & plants, consumables, gas cutting and welding equipment (where applicable). Scaffolding, staging, working at all heights. Disposal of dismantled material. Compliance with all applicable safety regulations.

Carpentry Works Inspect all 15 existing wooden doors to identify issues such as floor level obstruction, misalignment, swelling of wood, and hardware defects. Record measurements and determine required planning/cutting and hardware adjustments. Arrange necessary tools and materials including hand/power planer, chisels, drills, screws, nails, fillers, adhesive, etc. Ensure proper safety precautions and workspace clearance. Remove door shutters from hinges wherever required for planning or alignment. Tag and store hardware safely to avoid damage or mix-up. Carry out randa/planning on edges and bottom of door shutters to remove swollen or obstructing portions and replacement of doors with new pressed doors if found beyond repairable. Inspect the window frames and identify broken/damaged glass panels. Arrange required safety equipment, tools, materials, and scaffolding/ladders for work at all heights. Carefully remove the broken/damaged glass panes without disturbing the frame. Remove old glazing clips/beading/putty and clean the rebate area thoroughly. Collect and safely handle all broken glass pieces to avoid injury. Clean the rebate surface using appropriate tools to ensure proper seating of new glass. Check frame alignment and repair minor unevenness if required. Measure the openings accurately and cut the new glass panes to the required size. Position the glass in the frame and secure it using glazing clips/beading/putty as specified. Replace any damaged accessories of the Windows/window panes/Doors and shutters. Apply approved glass putty/sealant uniformly to seal the edges and match the existing finish. Allow enough curing time and clean visible surfaces of glass panes. Collect and dispose of broken glass and debris safely outside the premises as per safety norms. The work includes supply and fixing of 4 mm thick plain/clear sheet glass (or as approved), all labour, materials, tools & plants, scaffolding, safety gear, and all incidental works, covering approximately 15 glass window panels, as per specifications and instructions of the In-Charge. Trim the bottom edge to suit floor levels and ensure smooth movement. Smoothen surfaces using sanding paper after planning. Tighten or replace loose/damaged hinges, screws, tower bolts, handles, door stoppers, and other fittings. Adjust or realign fixtures to ensure proper functionality. Check and rectify locking arrangements. Fix lipping and repair minor damages. Fill small cracks, gaps, and cavities with approved wood filler and allow proper curing. Reinstall and align the doors properly to ensure free, smooth, and noise-free movement. Ensure shutters sit properly within the frame without rubbing. Replacement (If Required). Replace doors with new shutters only where repairs are not feasible, with prior approval of Engineer-in-Charge.

Hangar Floor Cleaning works Sweep the hangar floor thoroughly using soft and hard brooms. Remove loose dust, debris, paper, metal particles, and foreign objects manually or with collection bins. Apply approved degreasers, detergents, emulsifiers, or stain-removal chemicals to areas affected by oil stains, grease, rubber marks, spilled fuel residues, and paint flakes. Allow chemical settling/soaking as per recommended dwell time. Scrub the surface using industrial nylon brushes or mechanical/auto-scrubbing machines (where permitted). Focus additional scrubbing on stubborn stains and rubber marks. Wash the treated area with clean water using hoses or controlled flow to avoid water entering pits and ducts. Ensure protection of sensitive areas so that no water or chemical seepage occurs. Collect all sludge, oil-mixed water, foam, and removed debris. Transfer waste to designated disposal points as per environmental and facility guidelines. Wipe and dry the floor surface using squeegees and drying equipment to achieve a clean, dust-free, non-slippery finish. Verify that the floor is free from chemical traces and safe for personnel and equipment movement. All labour, materials, cleaning agents, tools & plants. Mechanical equipment, safety gear, PPE, temporary barricades, signage. All incidental works to complete the job as per specifications & directions of the In-Charge. Carryout Minor floor repairs if any. Verify that the floor is free from chemical traces and safe for personnel and equipment movement.

Removal of Vegetation , cutting of bushes/trees Cut and remove surface vegetation, shrubs, creepers, grass, moss, and small trees manually or mechanically. Collect the removed material in bins or bags for disposal. Uproot roots and plant bases completely using appropriate tools to prevent regrowth. Clean affected surfaces using wire or nylon brushes to remove moss, remaining particles, and root remnants. Flush surfaces with water where required to clear fine debris. Identify any minor damage caused by root penetration. Repair such areas with appropriate filling material to restore surface finish and prevent seepage. Gather all removed vegetation, waste material, and debris. Transport to designated disposal areas within or outside the premises as instructed by the In-Charge. Ensure proper environmental and safety compliance during disposal. All labour, materials, T&P, scaffolding/ladders. PPE & safety measures. All incidental works to complete the job as per specification and direction of the In-Charge.

Restoration of Earth pit and Installation of lightning arrestor system Restoration of earth pit (01 No.) at the hangar, including excavation around the existing pit, removal of damaged components, replacement or repair of earth electrode, watering funnel, inspection chamber cover and GI strip/earthing conductor as required, refilling the pit with a suitable mixture of charcoal and salt, compacting the soil, reinstating the concrete chamber, testing the earth resistance value, and ensuring proper connectivity to the existing earthing system. Any wiring or components damaged are to be replaced with new once. Installation of lightning arrestor system at the rooftop of the hangar, including supply and fixing of air termination rod, roof conductors, down conductors, saddles and clamps, connecting to the existing earth grid/earth pit, providing appropriate fasteners and insulators, routing and securing the conductor along the structural members, sealing all roof penetrations, testing continuity and earth resistance, and ensuring full compliance with relevant electrical and safety standards. Lightening arrester conductivity from lightening arrester to the earth pit to be checked and if any repair works required, to be carried out. The item includes all labour, materials, tools & plants, scaffolding/staging for working at all heights, and providing, using, and maintaining all required safety equipment such as safety belts, harnesses, helmets, lifelines, PPE, etc., along with all incidental works, complete in all respects as per specifications and directions of the Engineer-in-Charge.