design supply fabrication and installations of grp gates and staircase at various tunnel shaft outlets in city area under ae maint ww citys section- 1 design, fabrication, supply & installation of grp pultruded swing gate of sizes:a) s. k. patil tunnel shaft outlet : 5.53 m (l) x 2.25 m (h) 2 b) kilachand tunnel shaft outlet: 5.60 m (l) x 2.25 m (h) 3 design, supply, installation & fabrication of pultruded of grp landing platform at cross maidan tunnel consisting of i-bar of height 50mm with c/c distance of 60mm, clear spacing between i bar 35mm, interconnected with crossrods 2 placed @150mm c/c spacing. grp platform including grp pultruded grating & grp support structure having load bearing capacity of 1000 kg, having tensile strength of min 350n/mm2, 300n/mm2, flexural strength of min 350n/mm2size: 1.5 mtr x 2 mtr 4 grp handrail on all sides of platform consists of 50 mm sq. post, 40 mm dia top rail, 32 mm dia. mid rail, 100 mm wide kick plate. 5 cross maidan: grp access staircase for platform levela) 0.7 m (w) x 2.6 m (approx. inclined length from 0 to 2.6 mtr) 6 b) 0.7 m (w) x 3.2 m (aprrox. inclined length from 2.6 to 3.2 m height 7 removal of existing gates & ladders / stairs 8 installation of new gates & stair cases with necessary accessories, fittings, platform, etc.