MCEW (Conservation of Ancient Monuments) to structural Repairs Jammi Mosque at Hadaf, Sahibganj

Erection and dismantling of double scaffolding system in and around the monument upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with bamboo, placed 1.5 metre centre to centre, horizontal & vertical joint with bamboo, coir string and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of conservation works and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen including cost of materials, labours and T&P etc. complete as per directions and approval of Engineer in charge

Racking out existing weathered / Damaged lime surkhi pointing, washing & cleaning of surface manually by mean using small hand hammer and chisel only without damaging the structure including disposal of material within 200mtrs lead including cost of labours and T&P etc. complete as per directions and approval of Engineer in-charge

Recess lime surhi pointing of special size Lakhauri brick (19x14.5x4 cm) masonry of structure members by using lime surkhi mortar in 1:1:1:1 ( 1 lime :1 surkhi :1 sand ) and belgiri with molases in appropriate proportion matching with existing ancient texture of structures very slowly and carefully including cost of labours, materials,T&P, curing etc complete as per directions and approval of Engineer-in-charge

Taking out existing weathered / Damaged lime concrete from floor manual mean using small hand hammer and chisel only without damaging the structure including disposal of material within 200mtrs lead including cost of labours and T&P etc. complete as per directions and approval of Engineer-in-charge.

Providing 7.50 cm thick brick ballast (20mm to 40mm) in the foundation of floor including making surface, ramming, consolidating and grouting with fine sand cost of materials, labours and T&P etc. complete as per directions and approval of Engineer-in-charge.

Laying lime concrete using 50 % mortar of proportion 1:1:1 ( 1 U/S lime :1 surkhi :1 sand ) with 20 mm nominal size brick aggregate including ramming, maintaining proper gradient, cost of materials, labours and T&P etc. complete as per directions and approval of Engineer-incharge.

Restoration of damaged, decayed and worn out special size Lakhauri brick (19x14.5x4 cm) masonry of structure members 40% Old Lahauri bricks and 60% New one using lime surkhi mortar in 1:1:1:1 ( 1 lime :1 surkhi :1 sand ) matching with existing ancient texture of structures very slowly and carefully including cost of labours, materials, T&P, curing etc complete as per directions and approval of Engineer-in-charge.

Providing and fixing of Granite stone plates (1'x2'x2") as parnala with lime surkhi mortar in 1:1:1 (1 Lime: 1 Surkhi: 1 Sand) mix with molasses in appropriate proportion to all rainwater holes to extend the flow of rain water from the ancient wall to protect from dampness with all complete.

Providing and fixing of Glass Tell-Tale with the help of epoxy resin at all the cracks developed in the ancient structure for proper monitoring of settlement of the structure with all complete.