Periodical services for cleaning of glass facade, sandstone surface, marble facia of buildings, walls, structures, statues etc along with other related protective works within jurisdiction of NS Dock for period of 1 year from the date of work order

Cleaning the sand stone surface and removing dirt, dust, bird dropping, grease, oil, algae, fungus, monkey beats, vegetable growth etc., including providing, applying and washing the surface with liquid Ammonia Chemical of 5% solution and other chemical cleaning agent as approved by Archaeological Survey of India/ Engineer-in-charge, of approved brand and manufacturer, with the help of required scrubbers and also cleaning with machine operated water jet mixed with desired quantity of fine silica where ever required, without causing any scratching/ damage to the stone surface and finally washing the surface with clean water with the help of pressure jet machine, complete in all respect, including taking all precautions to safeguard ventilators, windows, doors etc. by suitable covering so as to avoid any damage to the building/structure, all as per direction of Engineer-in-charge (The rate is inclusive of all materials & labours involved except scaffolding). Note : For lift beyond initial 6mtr. the rate will be increased @20% for each additional lift of 6mtr. or part thereof

From 6 mtr to 12 mtr

Providing and applying antifungal wash treatment using 3% solution of sodium pentachlorophenate, of reputed brand and manufacturer, on cleaned sand stone surface at desired locations as per direction of Engineer-in-charge (The rate is inclusive of all materials & labours involved except scaffolding). Note : For lift beyond initial 6mtr. the rate will be increased @20% for each additional lift of 6mtr. or part thereof.

From 6 mtr to 12 mtr

Cleaning and removing paint mark from glass pane with spirit and removing strains etc. Note:- Add 5% extra for each 6 Mtr. height or part thereof beyond the initial height of 6Mtr.

From 6 mtr to 12 mtr

Cleaning and removing stains as far as possible from pedestals and below starues of marble or artificial cast white stone including plasters and ornamental cap and moulding and flowes with No.1 No.2 and No.3 stone as necessary.

Glass and ACP Façade Cleaning (Up to 4.5 m height):- Cleaning of external as well as internal glass façade and ACP facade including glazing panels, spandrel glass, mullions, transoms, frames and all related façade elements of the building, up to a height of 4.5 meters from finished ground level, using approved non-abrasive, pH-neutral, biodegradable cleaning agents, complete as per specifications and directions of Engineer-in-Charge. The cleaning shall be carried out using potable water system with water-fed pole system, professional squeegees, microfiber applicators and lint-free cloths to achieve a streak-free finish, without causing any damage to glass, sealants, frames or adjoining surfaces. The rate shall include all labour, materials, tools and tackles, access arrangements such as ladders, mobile platforms or light scaffolding, barricading, warning signage, and ground protection arrangements. All works shall comply with CPWD safety code, labour laws, BOCW Act and relevant statutory provisions. Complete as per directions of Engineer-in-Charge. Measurement shall be on actual cleaned area only. No separate payment shall be made for safety, access systems, tools, insurance or compliance. Any damage to façade, glass, sealants or adjacent finishes shall be made good at contractor’s cost.Rates are inclusive of all taxes, duties, levies and incidental charges.Work shall be carried out only after approval of method statement by Engineer-in-Charge.

Glass and ACP Façade Cleaning (From 4.5 m upto 15 m height):- Cleaning of external glass and ACP façade including glazing panels, spandrel glass, mullions, transoms, frames and all related façade elements of the building, up to a height of 15 meters from finished ground level, using approved non-abrasive, pH-neutral, biodegradable cleaning agents, complete as per specifications and directions of Engineer-in-Charge. The cleaning shall be carried out using potable water system with water-fed pole system, professional squeegees, microfiber applicators and lint-free cloths to achieve a streak-free finish, without causing any damage to glass, sealants, frames or adjoining surfaces. The rate shall include all labour, materials, tools and tackles, access arrangements such as ladders, mobile platforms or light scaffolding, barricading, warning signage, and ground protection arrangements. All works shall comply with CPWD safety code, labour laws, BOCW Act and relevant statutory provisions. Complete as per directions of Engineer-in-Charge. Measurement shall be on actual cleaned area only. No separate payment shall be made for safety, access systems, tools, insurance or compliance. Any damage to façade, glass, sealants or adjacent finishes shall be made good at contractor’s cost.Rates are inclusive of all taxes, duties, levies and incidental charges.Work shall be carried out only after approval of method statement by Engineer-in-Charge.

Glass and ACP Façade Cleaning (Above 15 m and up to 45 m height) Cleaning of external glass as well as ACP façade including glazing panels, spandrel glass, mullions, transoms, frames and all related façade elements of the building, above 15 meters and up to 45 meters height, using approved non-abrasive, pH-neutral, biodegradable cleaning agents, complete as per specifications and directions of Engineer-in-Charge. The work shall be executed using rope access / gondola / cradle / boom lift or equivalent approved access system, along with potable water system and modern facade cleaning technology to ensure streak-free and damage-free cleaning. The rate shall include: Certified and trained manpower, Rope access certified technicians (IRATA or equivalent), Full body harnesses, lifelines, helmets, lanyards, fall-arrest systems, Barricading, signage, drop-zone protection, Risk Assessment, Method Statement and Emergency Rescue Plan, Insurance for workmen compensation and third-party liability. Nothing extra shall be paid for safety arrangements, access systems or compliance. Measurement shall be on actual cleaned area only. No separate payment shall be made for safety, access systems, tools, insurance or compliance. Any damage to façade, glass, sealants or adjacent finishes shall be made good at contractor’s cost.Rates are inclusive of all taxes, duties, levies and incidental charges.Work shall be carried out only after approval of method statement by Engineer-in-Charge.