Con/Rejuvanation w...

Amount

Provision for hiring (for 6 months) of special type of lime mortar mill (pan type) electrical/mechnical for thorough grinding and mixing of lime mortar and making lime putty as per site requirement including diesel and maintenance.

Removal of blackening, old sulphated lime wash in multiple application without causing damage to the below plastered surface. Scrubbing (not by scraping which leaves surfaces scarred and scratched ) with bristle brushes and hot water ( Care to be taken if the surface is weak one it will break down). Hot water should be used if the blackening/limewash has an oil or tallow binder. Gentle cleaning with air abrasive tools can be used if the wall surface is not very week.The final clean will almost invariably have to be carried out by hand scrubbing and rinsed with clean water on completion. The work should be done under supervision of a trained conservator.

Hiring of water tanker (4500 ltrs) during excution of work. Since the water is salty at site and its not useful for lime mortar work.

Providing and fixing stone jali 40 mm thick throughtout in lime mortar of 1:1:1 (1 lime: 1 surkhi:1coarse sand), including pointing in lime mortar 1: 2 ( 1 Lime : 2 Stone dust) with an admixture of pigment, matching the stone shade, jali slab without any chamfared etc.

Construction of tanks of different sizes for slaking of lime and making lime putty as per archaeological specification. Brick Work with common burnt clay F.P.S (non modular ) bricks of class designation 7.5 in foundation and plinth in: Cement mortar 1:4 ( 1 cement : 4 coarse sand)

Providing, erecting, maintaining and removing temporary protective screens made out of specified fabric with all necessary fixing arrangement to ensure that it remains in position for the work duration as required by the Engineer-in-charge.

Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven storey height made with 40 mm dia M.S. tube 1.5 m centre to centre horizontal and vertical tubes joining with cup and lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffoldings for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc. wherever required for inspection of work at required locations with essential safety features for the workmen etc complete as per directions and approval of Engineer-in-charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. NOTE:- To be used for maintenance work judicially necessary deduction for scaffolding in the existing item to be done.

Demolishing lime concrete manually/by mechanical means and disposal of material within 50 meters lead as per direction of engineer in charge...

Dismantling stone slab roofing (or Lakhori brick ) over wooden carries, including stacking of serviceable material and disposal of unserviceable material within 50 metres lead. This job is highly risky, hence safety precautions need to be taken before execution of this item by duty constructing heavy duty scaffolding and form work to prevent collapsing of adjoining structures wherever necessary and requires execution under the supervision of a site inchrage so that historical evidences must not be destroyed falsified or removed.

Providing roofing works with lakhori brick masonry/brick tiles and lime concreting laying them in lime mortar over wooden carries as per existing thickness and design/matching with original complete. Traditional brick masonry in lakhori bricks in lime mortar ( similor to existing propotionof mortar 1:1:1 , 1 lime : 1 surkhi : sand )

Providing and laying lime concrete with broken brick aggregate and 50% lime mortar 1:1:1 (1 Lime: 1 Slaked Lime 1: Coarse sand) rammed and finished with gur and belgiri treatment ( thickness 100 mm)....

Providing wooden beams in sal wood in roofs including making good the holes in walls and painting with all type wood presetive of approved brand and manufacture complete.

Providing and laying lime concrete with graded brick bats and 50% lime mortar 1:1:1 (1 Slaked lime : 1 Surkhi : 1 Coarse sand) rammed and finished with gur and belgiri treatment excluding cost of centring and shuttering. (Thickness 100 mm)

40 mm thick fine dressed stone flooring over 20 mm (average) thick base of lime mortar 1:1:1 (1 lime: 1 surkhi:1coarse sand) with joints finished flush...

Providing and fixing Marble/stone matching with existing gang saw cut (polished and machine cut) of avg thickness 18 mm or as per existing for wall lining (veener work), backing filled with a grout of average 20 mm thick in lime mortar of 1:1:1 (1 lime: 1 surkhi:1coarse sand), including pointing with lime mortar 1:2 ( 1 Lime: 2 marble dust) with an admixture of pigment to match the marble shade ( to be secured to the backing by means of cramps, which shall be paid for separately)...

Reconsolidation works Stone consolidation-removing the loose/damaged stone and reconsolidating with new stone (matching with original)/reusable stone with lime mortar(1:2) wherever necessary.

Random rubble masonry with hard stones in foundation and plinth including levelling with lime concete (1 lime:3surkhi:6 coarse sand) with 20mm stone aggregate upto plinth level with lime mortar 1:1:1(1Lime: 1Surkhi:1Coarse sand).

30-40mm lime plaster in two coats with 20mm base coat in lime mortar 1:1:1 (1 lime : 1 Surkhi :1 Coarse Sand) and top coat in lime mortar 1:1:1 (1 lime : 1 Surkhi :1 Fine Sand)..../

Repairing ornamental plaster works to match with the existing design using lime plaster (1lime putty:1surkhi : 1 fine sand)../

Renewing wooden beams in roofs including making good the holes in walls and painting with oil type wood preservative of approved brand and manufacture complete, including removal of rubbish to the dumping ground, all complete as per direction of Engineer-in-Charge: In Sal wood or equivalent. (As per CPWD DSR- 2021, Item no 14.16.2)

Providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed in position with hold fast lugs or with dash fasteners of required dia and length (hold fast lugs or dash fastener shall be paid for separately): In Sal wood.

Providing and fixing 25 mm thick shutters for doors: Panelled shutters in Second class teak wood including ISI marked nickel plated bright finished M.S. piano hinges with necessary screws.

M/s Manan Enterprises