CONSTR OF BOULDER CRATING/RETAINING WALL TO PROTECT THE EXISTING ASSETS AND SURFACE DRAIN AT 384 COY ASC (SUP) UNDER GE TAWANG

Amount

Excavation over areas n.exc 1.50 m deep and getting out in soft/loose soil complete all as specified and directed.

Rough excavation not exceeding 1.50 metre deep soft/loose soil complete all as specified and as directed.

Mechanically woven double twisted hexngonal ahaped, zine coated steel wire mesh steel wire mesh for garblon retaining wall, made with 80mm x 100mm mesh size, 2.7mm dia mesh wire, 3.40mm dia of edge/selvedge wire & 2.20mm dia lacing wire and box size as per table -2 of IS 16014 and all accessories such as U-clamps, thimbles and laid in poaition including after filling and all as specified in drawing and conforming to in IS-16014-2012 complete all as specified and directed. Make - Maccaferri Enviornmental Solutions Pvt Ltd/Gabion technoligies India Pvt. Ltd/Goma Protect Pvt Ltd/A-1 Fence Product Coy pvt Ltd/Saudagar Mal Mamman Lal Pvt Ltd.

Boulder filling (size of boulder exc 100mm & not exc 200mm) & dry hand packed tightly, as in wire crate Vertical Bunds with aloping face, complete all as specifed and as directed. Note :- Wire crate shall be measured and paid separately.

M&L for Plain cement concrete (1:3:6) type C-2, using 40mm graded crushed stone aggregate as in foundation, filling and mass concrete complete all as specified and directed.

M&L for walling of random rubble uncoursed, well bonded bedded and solidly hearted built in CM 1:6 including finishing the joints, flush as the work proceeds complete all as specified as directed.

M&L for PCC 1:3:6 type C1 20mm graded aggregate as in bond stone, bed plate, where guard & other similar work etc incl weathrings, slightly rounded or chamfered angles and throating and necessary form work complete all as specified and as directed.

M&L for hand packing any thickness to back of walls over arches etc and raising (or lowering) to the required level with broken stone or boulder complete all as specified and directed.

Extra over stone walling for hammer dressing to face stones and dressing of face beds and joints, as specified, of random rubble walling, uncoursed or brought upto courses not exceeding 40mm depression complete all as specified.

M&L for 1:2:4 type B1 (20mm graded stone aggregate) as in cills, coping, stepa, seismic and other similar bands, plinth courses, string coureses, lacing courses, parapets and railings up to 60cm in height, copings, kneelers, apex stones, bed plates, karbe including weathering, allghtly rounded or chamfered angles and throating and necessary formwork complete all as specifed and directed.

Raised pointing to random or polygonal rubble, uncoursed or brought course masonry in cement Mortar 1:4 complete all as specified and as directed.

Supply and laying 50mm bore low density polythlene pipes (LDPE) of presure rating 6 Kgs /Sqcm laid in trenches complete all as specified and directed.

Supply and laying of non woven geo-textile made of polyethylene or Polypropylene or polyester or similar fibres manufactured through machine made process of heat bonding or needle punching techniques and tensile strenght of 7KN/m, weight not less than 150 gm/ Sqm complete all as specified and as per manufacturer's specifications complete all as specified and directed. Make :- Maccaferri Environmental Solutions Pvt Ltd/ Gabion Technologies India Pvt Ltd.

Plain Cement Concrete (1:3:6) type C-1, using 20mm graded stone aggregate as in surface channel and drain complete all as specified and as directed.

Materials and labour for formwork to faces of walls, retainining walls, abutments, parapets and stair case railing and stair case railing and similar work including attached pilaster, buttressea etc; vertical or to batter, curved faced with rough finished surfaces of concrete complete allas specified and directed.

Materials and labour for extra for forming fair finishing to surfaces drain/channel 30cm inner girth in cement concrete, using extra cement incl forms, moulds etc complete all as specified and directed.

Returning filling in with approved excavated soil including spreading. Leveling. Watering and well ramming in layers not exc 25cm thick complete all as specified.

Removing excavated material (soils) to a distance n.exc 50m and depositing where directed at a level not exc 1.5m above the starting point complete all as specified.

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