Tender for execution of Work to MC and EW (CAM) to Kings Barracks (Conservation and Restoration including Preventive Stabilization of Damaged Structural Portions and Clearance of Debris) at Fort St George for the year 2026 27

Disposal of building rubbish/malba, dismantled masonry, debris, and other unserviceable or waste materials by mechanical means, including collection, loading, transportation, unloading, and disposal at an approved municipal dumping ground or any other location approved by the Engineer-in-Charge, beyond the initial lead of 400 m and conveying the debris outside the protected monument to a lead of 25 km outside Chennai City, for all leads and lifts involved, including the cost of all materials, labour, machinery, tools and plants (T&P), fuel, equipment, handling, statutory charges, and all incidental expenses required to complete the work, as directed by the Engineer-in-Charge.

Clearing jungle, including uprooting and removal of rank vegetation, grass, brushwood, shrubs, trees, and saplings up to 30 cm girth measured at the wall surface, including erection and dismantling of scaffolding (as per DSR specifications), collection, loading, removal of rubbish and vegetation, and conveying the same beyond the initial lead of 400 m to an approved dumping location 25 km outside Chennai City, outside the protected monument, including the cost of all materials, labour, scaffolding, tools and plants (T&P), machinery, transportation, loading, unloading, all lifts, and all incidental charges required to complete the work, as directed by the Engineer-in-Charge.

Providing temporary support and stabilization to the damaged and vulnerable portions of King's Barracks Block No. XXV. The provision covers the erection of scaffolding, shoring, bracing, props, staging, and other necessary temporary supporting arrangements to ensure the structural stability and safety of the monument during debris removal, inspection, and conservation works. As the exact extent of deterioration, spans, locations, and quantity of temporary supports can only be determined after the clearance of debris and removal of loose structural elements, the detailed methodology, drawings, design calculations, and item-wise quantities shall be assessed and submitted for approval before execution of this component of the work.

Carefully dismantling and removing the fallen, damaged, or deteriorated Madras terrace roof portions of the two-storied colonial building (King’s Barracks), including removal of country tiles, brick jelly concrete, lime concrete layers, wooden members, reapers, rafters, and all associated components without causing damage to the adjoining original structure. The work shall include segregation of reusable materials, careful lowering of debris, and disposal of unserviceable materials to an approved dumping yard or location as directed by the departmental officials. The item also includes all labour, tools and plants, scaffolding (if required), conveyance, loading and unloading, transportation, and compliance with safety precautions during execution. The rate shall be inclusive of all incidental charges, taxes, and complete as per the directions of the Engineer-in-Charge.

Repairing and restoring the existing ‘I’ section girder of size ISMB 400 × 140 mm by carefully dismantling and removing the girder from its position, straightening bent portions, dressing and mending damaged edges, and carrying out necessary rectification works to bring the section back to serviceable condition. The work includes thorough cleaning of the girder surface by removing rust, scales, corroded portions, and old deteriorated paint by approved mechanical/manual methods, and preparing the surface for painting. One coat of approved anti-corrosive primer shall be applied, followed by two coats of best quality synthetic enamel paint of suitable colour as approved by the departmental officials. After repairs and painting, the girder shall be lifted, placed, and refixed in its original position with proper alignment and support without causing damage to adjoining structural members. The item also includes providing, erecting, maintaining, and dismantling necessary scaffolding, and cost of all materials, labour, tools and plants, conveyance, loading and unloading, transportation, and all incidental charges. The rate shall be inclusive of all applicable taxes and complete as per the directions of the Engineer-in-Charge.

Providing and fixing Teak Wood joists of size 100 mm × 180 mm of required lengths for relaying of teak wood ceiling/roof, using 70% sound existing (old) teak wood joists after carrying out minor mending, dressing, straightening, and necessary repairs, and 30% new teak wood joists in place of damaged, decayed, and unserviceable members. The work includes preparation of bearing ends, proper alignment, leveling, and fixing in position in accordance with traditional construction practices, ensuring structural stability and compatibility with the existing heritage fabric. The item further includes thorough surface preparation of the timber, applying one coat of approved wood primer, and finishing with two coats of best quality synthetic enamel paint of approved shade. The item shall include cost of all materials, labour, tools and plants, conveyance, loading and unloading, transportation, stacking of reusable materials, and all incidental charges. The rate shall be inclusive of applicable taxes and complete as per the directions of the Engineer-in-Charge.

Providing and fixing teak wood planking over the wooden ceiling/roof framework using teak wood planks of minimum 70 mm thickness, maintaining the original pattern and traditional detailing. The work shall be carried out using 70% sound existing (old) teak wood planks after minor mending, dressing, straightening, and necessary repairs, and 30% new teak wood planks in place of damaged, decayed, and unserviceable members. The planks shall be properly prepared with required 10 mm grooves and tongue arrangement to ensure proper interlocking and tight joints. The planks shall be carefully laid and fixed over the joists with proper alignment and levelling, using approved nails/fasteners, ensuring firm seating and structural stability without disturbing adjoining original members. The item further includes thorough surface preparation of the timber, applying one coat of approved wood primer, and finishing with two coats of best quality synthetic enamel paint of approved shade. The existing pattern, spacing, and workmanship shall be strictly maintained during resetting. The item shall include cost of all materials, labour, tools and plants, conveyance, loading and unloading, transportation, and all incidental charges. The rate shall be inclusive of applicable taxes and complete

Providing and fixing Teak Wood joists of size 80 mm × 160 mm of required lengths for relaying of Madras terrace roof, using 60% sound existing (old) teak wood joists after carrying out minor mending, dressing, and necessary repairs, and 40% new teak wood joists in place of damaged and rotten members. The item further includes thorough surface preparation of the timber, applying one coat of approved wood primer, and finishing with two coats of best quality synthetic enamel paint of approved shade. The work includes preparation of bearing ends, proper alignment, levelling, and fixing in position in accordance with traditional construction practices, ensuring structural stability and compatibility with the existing heritage fabric. The item shall include cost of all materials, labour, tools and plants, conveyance, loading and unloading, transportation, and all incidental charges. The rate shall be inclusive of applicable taxes and complete as per the directions of the Engineer-in-Charge.

Providing and laying Madras terrace roof in traditional manner over prepared wooden framework, using country bricks of size 15 × 7.5 × 2.5 cm laid on edge in lime mortar (1:1.5), properly aligned to required slope and camber as per original profile. The work includes laying of 150 mm thick lime concrete using 20mm brick aggregate in pure lime (using well-burnt brick aggregate) over the brick courses, well compacted, beaten, and finished to achieve proper bonding and water tightness. Over this, providing two courses of flat tiles set in lime mortar (1:2), including necessary levelling and finishing to match the traditional construction system. The top surface shall be finished with lime mortar (1:1.5) plaster, properly trowelled, cured, and finished to required slope for drainage. The underside (ceiling portion) shall also be plastered in lime mortar (1:1.5) to achieve a smooth and uniform finish in conformity with the original heritage character. The item includes preparation of materials, soaking of bricks and tiles, proper laying, ramming, beating, curing for specified period, and all workmanship as per traditional practices and as directed by departmental officials. The work shall be carried out carefully to ensure compatibility with the existing structure and preservation of heritage value. The rate shall include cost of all materials, labour, tools and plants, conveyance, curing, loading and unloading, transportation, scaffolding if required, and all incidental charges. The rate shall be inclusive of all applicable taxes and complete as per the directions of the Engineer-in-Charge.

Carefully dismantling and removing the existing damaged lean-to roof with M.P. tiled roofing over the eastern side corridor at first floor level, including removal of tiles, wooden battens/reapers, rafters, and all associated components, without causing damage to the adjoining original structure. The dismantled materials shall be properly sorted, and reusable materials shall be carefully stacked as directed by the departmental officials.