Restoration of Zameen building in DAE Township, Kalpakkam.

Labour charges for Segregation of reusable materials like wooden rafters, bricks, stones & steel pipes, etc., from the building / dismantled debris, stack them carefully on the site with in a lead of 100mtrs,etc., all complete as directed by the Engineer-in-Charge. Note: 1) The Contractor shall be engaged one unskilled person for this work. 2) One operation involves one or all activities of descriptions mentioned above for a net working time of 8 (eight) hours in a day.

Removal of vegetation growth from the building structure including uprooting the roots embedded in concrete/masonry, cutting stem, application of hericide or biocide treatment using 'Glycel' (Isopropylamine salt of glyphosate) or as other approved chemical, collecting rubbish from the site, stacking within 100mtrs lead, etc., all complete as per specifications and as directed by the Engineer-in-Charge. Note: The work shall be carried out without any vibration and without disturbing structure members.

Clearing heavy jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30cm measured at a height of 1m above ground level, removal of rubbish and stacking upto a distance of 100mtrs outside the periphery of the area cleared, cutting and stacking the useful fire wood if any within an initial lead of 100 mtrs etc., all complete as per specification and as directed by Engineer-In-Charge.

Supplying and fixing shade net (Green Net) for under construction of buildings in order to avoid dust and other falling materials during execution including required supporting MS pipes and clambs, vertical and horizontal supports & strengthing of pipes, etc., all complete as per specifications and as directed by the Engineer-in-Charge.

Barricading the building by providing and fixing GI sheet around the site for isolating the building to ensure safety requirement including making supports to the barricade with necessary MS pipe post, providing temporary shutter/door, removing the barricade after completing the work, etc., all complete as directed by the Engineer-in-charge. (Note: The elevational area of the barricade shall be measured for payment purpose. The payment will be made once irrespective of duration of barricade.)

Propping and supporting the structural members and its adjoining areas with Steel Prop of up to 5 MT Capacity and up to 3.40 m height (adjustable or as required), bracings, steel/timber runners etc to relieve the structural member of the required load coming over it as per the pattern given by the contractor & approved by Engineer-in-charge complete.

Providing and fixing double scaffolding system (cup lock type) on the exterior side at all height made using 40mm diameter M.S. tube spaced @ 1.5m center to center at both horizontal and vertical joining with cup and lock system with M.S.tube, M.S.tube challies, M.S clamps and M.S staircase system in the scaffolding for working platform etc., including maintaining it in a serviceable condition for the required duration as approved, removing after completion of repair works, the scaffolding system shall be stiffened with bracings, runners connection with the building, etc., wherever required for essential safety features for the workmen, etc., all complete as directed by Engineer-in-charge. Note: 1) The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. 2) The buildings are of Ground+1 storeyed structure and the contractor has to observe all safety procedure while working on heights as per I.S. 3696 (Part-I) - 1987. (Safety Code for scaffolds). 3) All working platform must be of minimum 600 mm wide, made of M.S pipe and must have guard rails as per specification. 4) Screen of suitable material shall be provided to the full height of scaffolding and securely tied to protect falling objects coming out during the repair work is in progress. 5) To protect workers on lower platform against falling objects from higher level over head protection should be provided on the scaffolds. 6) Necessary aluminium/ M.S. ladder shall be provided at the cost of the contractor, to the full height of scaffolding at required location around the building to enable Departmental Supervisor/Engineer climb up and closely watch the repair work of the building.

Providing and laying in position of plain cement concrete 1 : 2 : 4 (1 cement : 2 sand : 4 graded stone aggregate 25mm nominal size) using machine crushed hard broken granite stone of nominal size 20mm for all insitu levelling courses in foundations, floor, roof screeding, encasing pipes, etc., including mechanical mixing, ramming, compaction, leveling, curing, dewatering, if any including the cost of formwork etc., all complete as per specifications.

Providing Pre-Construction Anti-termite Treatment using Chlorpyriphos E.C 20% with 1 % concentration or other approved chemical as detailed below including cost of chemicals, labour and all other incidental charges for entire ground floor area of building and injecting termicide emulsion to the soil in contact with the foundation along the perimeter of both internal and external walls, etc., all as per IS: 6313 (Part-2). 1) Top surface of consolidated earth within plinth walls shall be treated with chemical emulsion @ 5 Ltr/Sq.m of the surface before the sand bed or sub-grade is laid. 2) Treatment along the external perimeter and internal perimeter at junction of the wall and the floor of the building shall be treated with chemical emulsion @ 7.5 Ltr/Sq.m, to facilitate this holes shall be provided @ 150mm apart upto GL for inner side and upto 300mm below GL for external perimeter. 3) The entire treatment shall be done as per the specifications and instructions of the termicide Manufacturer and as directed by the Department. 4) The treatment should be done by an agency specialized in the job having sufficient knowledge of anti termite treatment. 5) Five years guarantee from the date of completion of maintenance period shall be given by the contractor in the prescribed format of the department for the above anti-termite treatment work.