Repair/stabilization of slopes from CR adit of HRT to bailey bridge

Engagement of labours for cleaning loose rock and other loose material.

Earth work in bulk excavation by mechanical means (hydraulic excavator) over areas(exceeding 30 cm in depth, 1.5 m in width as well as 10 m2 on plan) including disposal of excavated earth lead upto 50 meters and lift upto 1.5 m, as directed by Engineer-in-Charge. Ordinary Rock

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts,struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchors blocks, plain window sills, fillets etc upto floor V including curing but excluding the cost of centring, shuttering and finishing with. 1:1½:3 (1 cement :1½ coarse sand: 3 graded stone aggregate 20 mm nominal size)

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-incharge. Note: - Cement in this item is @ 330 kg/ cum. Excess or less cement used as per design mix is content considered payable or recoverable separately. All works above plinth level upto floor V level

Centering and shuttering including strutting, propping etc. and removal of form work for: Retaining walls, return walls, walls (any thickness) including attached pilasters

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level Thermo-Mechanically Treated bars of grade Fe-500D or more. (To be paid as per actual). (To be paid as per actual)

uPVC pipes (working pressure 4 kg / cm2 ) Single socketed pipe 75 mm dia for weep holes in retaining structure

Providing and laying well-compacted granular drainage filter media consisting of graded crushed stone or coarse sand behind RCC counterfort retaining wall in layers not exceeding 150 mm thick, including watering, compaction, dressing to required slope and levels

Drilling of 64mm dia holes for 32mm dia. steel anchors and 500mm deep into old concrete by way of jack hammer or other suitable equipment for mechanical bonding of old and new concrete.

Providing and fixing of 32mm dia Tor steel anchors bent to shape in the drilled holes by suitable means as per technical specification.

M-60 grade cemetitious grout (Non Shrink) of approved make for filling in drilled holes for anchoring as per technical specifications including the cost of all materials carriage, staging scaffolding and labour etc. complete finished item. (Supplying and pouring)

Providing & making Gabion structure with Mechanically Woven Double Twisted Hexagonal Shaped Wire mesh Gabion Boxes as per IS 16014:2012,MORTH Clause 2500, of required size, Mesh Type 10x12(D=100 mm with tolerance of ± 2%) Zinic+PVC coated, Mesh wire diameter2.7/3.7mm, mechanically edged/selvedged with partitions at every 1m interval and shall have minimum 10 numbers of openings per meter of mesh perpendicular to twist, tying with lacing wire of diameter 2.2/3.2mm (ID/OD), supplied @3% by weight of Gabion boxes, filled with boulders with least dimension of 200 mm, as per drawing, all complete as per directions of Engineer-in-charge.

Carriage of material By Mechanical Transport including loading, unloading and stacking (To be paid as per actual)

Cement avg 15 km

Sand avg 125 km

Aggregate 15 km

Steel avg 20 km

Muck avg 50 km

Stones average 15km

Design and Engineering for all works including investigation, preparation and submission of Drawings for Engineer-in-charge approval.