Tender For Protection Work On The Left Bank Of The Reservoir At The Teesta River Tld-Iv Ps Kalijhora; 1 Surface Dressing of the Ground in any kind of soil including removing vegetation inequalities not exceeding 15cmdepth and disposal of the rubbish within a lead upto 75m as directed. 2 Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing,spreading or stacking the spoils within a lead of 75m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete.(a) Depth of excavation not exceeding 1,500 mm. 3 Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing,spreading or stacking the spoils within a lead of 75m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete.((b) Depth of excavation for additional depth beyond 1,500 mm. and upto 3,000 mm. but not requiring shoring. 4 Making one set of scaffolding only for replacing glass panels,painting,uprootingplantandanother repairing works of building and S&P works for external works only with 10 cm. dia bamboo as main posts at the rate of 1 metre centre to centre and 7.5 cm.diabambooties@0.75metreapartfittingand fixing with necessary coir, nails etc. as per direction of the Engineer-incharge. (This item should be executed onlyafterpriorapprovaloftheEngineer-in-charge).Firstly,onenumbertobepaidandthenlabourrate for shifting up to further nineteenth (19) times @ 10% each time to be considered. If necessary further after twenty times oftotaluse,anotheronenumbernew andlabourrateforshiftingtobeconsidered accordingly. 5 Providing, laying and fixing welded wire fabric over rock / hard surface with spikes of 0.25m length made of 8mm dia TMT/MS bars @ 3Nos/Sqm on drilled holes of 25mm dia, 0.30m deep as per drawing and Instruction of Engineer in charge (Wire diameter - not less than 3 mm, mesh size 100 mm x 100 mm). 6 Removal of defective concrete, cleaning the surface thoroughly,applying the shotcrete mixture mechanically with compressed air under pressure,comprising of cement,sand,coarse aggregates,water and quick setting compound in the proportion as per clause 2807.1., sand and coarse aggregates conforming to IS: 383 and table 1 of IS: 9012 respectively,water cement ratio ranging from 0.35 to 0.50,density of gunite not less than 2000 kg/cum,strength not less than 25 MPa and workmanship conforming to clause 2807.6. (80 mm average thickness.) 7 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%) Zinc coated, Mesh wire diameter 3.0 mm, 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 2.2mm, supplied @ 3% by weight of Gabion boxes, filled with boulders with least dimension of 200 mm, as per drawing, all complete as per direction of Engineer-in-charge. 8 Rate of transportation of boulder for 28 Km 9 Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) (c) Steel shuttering or 9 to 12 mm thick approved quality ply board shuttering in any concrete work 10 Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement, if any, in ground floor as per relevant IS codes.(b) River bazree 11 Supply and installation of 25mm dia fully threaded rock anchors (Fe550D) including supply of all material, labour, T&P for proper completion of work as per technical specification and instruction of EIC
