Maintenance of Completed Scheme under NA-II,South Zone.sh-Raising of Existing Boundary Wall and Installation of Fencing at SDA C-7, DDA Staff Quarters, New Delhi.

BrickworkwithcommonburntclayF.P.S.(non-modular)bricksof classdesignation7.5insuperstructureaboveplinthleveluptofloor Vlevelinallshapesandsizesin:Cementmortar1:6(1cement:6 coarsesand)

(a)12mmcementplasterofmix:1:4(1cement:4coarsesand)

Centering and shuttering including strutting, propping etc. and removalofformfor(a)Foundations,footings,basesofcolumns, etc. for mass concrete

Repairstoplasterofthickness12mmto20mminpatchesofarea 2.5sq.metersandunder,includingcuttingthepatchinproper shape,rakingoutjointsandpreparingandplasteringthesurface ofthewallscomplete,includingdisposalofrubbishtothe dumping ground within 50 metres lead : a)Withcementmortar1:4(1cement:4coarsesand)

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string orlacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing: 1:2:4 (1 Cement : 2 coarsesand(zone-III)derivedfromnaturalsources:4gradedstone aggregate20mmnominalsizederivedfromnaturalsources).

Finishing walls with water proofing cement paint of required shade: New work (Two or more coats applied @ 3.84 kg/10 sqm)

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works.

Providing and fixing concertina coil fencing with punched tape concertina coil 600 mm dia 10 metre openable length(total length90 m), having 50 nos rounds per 6 metre length, upto 3 m height of wall with existing angle iron 'Y' shaped placed 2.4m or 3.00 m apart andwith9horizontalR.B.T.reinforcedbarbedwire,studtiedwith G.I. staples and G.I. clips to retain horizontal, including necessary bolts or G.I. barbed wire tied to angle iron, all complete as per directionofEngineer-in-charge,withreinforcedbarbedtape(R.B.T.) /Springcore(2.5mmthick)wireofhightensilestrengthof165kg/ sq.mmwithtape(0.52mmthick)andweight43.478gm/metre (costofM.S.angle,C.C.blocksshallbepaidseparately)

Providing and fixing G.I. chain link fabric fencing of required width inmeshsize50x50mmincludingstrengtheningwith2mmdiawire ornuts,boltsandwashersasrequiredcompleteasperthedirection of Engineer-in charge. Made of G.I. wire of dia 4 mm

Painting with synthetic enamel paint of approved brand and manufactureofrequiredcolourtogiveanevenshade:Twoormore coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture