REPAIR TO DIFFRENTIAL TARGETS FOR HALF YEARLY RANGE MAINT AT CHANDAN AT AF STN JAISALMER

M & L Pre- cast cement concrete block masonry with solid blocks in PCC 1:3:6 C-1 (using 20 mm graded crushed stone aggregate ) exc 10cm in width and setting in cement mortar 1:6 including demolition of concrete block waling built in cement mortar including all quoins arches pillars, etc complete all as specified and directed by Engr-in-Charge.

M&L for key pointing to block walling in coarse and concrete block walling in CM 1:4 complete all as specified and directed by Engr-in-Charge.

M&L Cement concrete Type C1 1:3:6 (20 mm graded aggregate) in walls any thickness, size or upto 60 cm in height including suitable formwork, copings, kneelers, apex stones, bed plates, water troughs and the like including weathering, slightly rounded for chamfered angles and throating including demolition of cement concrete wall and pavings exc 15cm thickness (above ground level) un-reinforced complete all as specified and directed by Engr-in-Charge.

M & L for three coats of white wash on new concrete wall surfaces including preparation of surfaces complete all as specified and directed by Engr-in-Charge.

M & L for one coat of white wash on old concrete wall surfaces including preparation of surfaces complete all as specified and directed by Engr-in-Charge.

M & L for preparation of old painted surface of stones, concrete, asbestos cement or plastered of any description over 10 cm width or girth and applying one coat of synthetic enamel paint, complete all as specified and directed by Engr-in-Charge.

Supply and stacking new HDPE bags with inner laminated layer, white coloured empty bags shall not be less than 90 gm per bag and filled with locally available sand / soil (obtained from defence land) approximate quantity 1.2 cuft in each bag, tying properly and stacking neatly at site, in pyramid, circle or any other shape and for any height including removing old worn out, unserviceable bags (filled with sand/soil) from the stack completely and levelling the area, as directed and preparation of surface for further stacking complete all as specified and directed by Engr-in-Charge.

M&L for loosening of any type of soil to average depth 40cm-50cm by removing the stone, metal pieces of size exc 50 mm and removing the bushes from main target area depositing to a distance exc 150 m but n exc 200 m from FG target, gunnery target area including levelling surfaces after loosing the earth by mechanical earths movers or tractors or any other devices at the disaretion of contractor complete all as specified and directed by Engr-in-Charge.

M&L for loosening of any type of soil to average depth 20cm-25cm by removing the stone, metal pieces of size exc 50 mm, removing the bushes from main target area and upto 100 m away from the periphery/boundary of target area and depositing to a distance exc 150 m but n exc 200 m from PBT, LBT, new LBT target area including levelling surfaces after loosing the earth by mechanical earths movers or tractors or any other devices at the disaretion of contractor complete all as specified and directed by Engr-in-Charge.

Filling the craters in the ground of any shape or size with excavated loose soil obtained from Min of Def land within a distance of 200 m from the target areas. The craters shall be fillled using mechanical earth movers such as tractors, JCB or dozer having blade and running in rotations to shift loose soil in craters with any mechanical devices such as JCB, dozers or tractors etc at the discretion of contractor, all as specified and directed by Engr-in-charge. Note:-(i)Measurement of filling for payment shall be made as specified in PS clause.(ii)Contractor will also arrange JCB/Tractor as and when require during execution of work. Removing of all bushes in surrounding area of LBT all along external wall upto 100 mtr from wall outside and all inside LBT area including over shoot , under shoot and circle area complete all as specified and directed by Engr-in-Charge.