Slab Treatment and repairing of toilets at GPS Mini Bay under Dairy Farm section, SD-II, PBSD, APWD, Port Blair.

Amount

Surface preparation /removing of a thin layer membrane of chemical composition with help of wire brush grinding and making grooves in the tiles/chipping.

Supplying and applying slope making protection with 50 mm average thick cement : and :12.5 mm aggregate = 1 : 3 : 6 with angle fillet all around the corners using Dr. Fixit Pidicrete UPR @ 1KG per bag of cement for providing slope.

Applying one coat of Dr. Fixit primeseal diluted with portable water in the ratio of 2 : 1 by volume prior to application of Dr. Fixit PU 270 (1)

Supplying and applying single component, root resistant elastomeric pure polyurethane membrane free from bitumen and tar, Dr. Fixit Flexi PU 270 (I) or equivalent with minimum elongation of 400% and solid content 90%. The system consists of applying the waterproofing treatment @ 1.35 KG/Sqm to achieve a DFT of 1.2 mm.

Providing and laying of protective Geotextile fabric 150 GSM over the entire membrane proper overlaps.

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :

25 mm nominal bore

20 mm nominal bore

Providing and fixing G.I. pipes complete with G.I. fittings and clamps, i/c cutting and making good the walls etc. Internal work - Exposed on wall

20 mm dia nominal bore

25 mm dia nominal bore

Providing and fixing C.P. brass bib cock of approved quality conforming to IS:8931 :

15 mm nominal bore

Providing and fixing wash basin with C.I. brackets, 15 mm C.P. brass pillar taps, 32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require:

White Vitreous China Wash basin size 630x450 mm with a single 15 mm C.P. brass pillar tap

Providing and fixing P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings complete.

Flexible pipe 10.1.1) 32 mm dia

Providing and fixing unplasticised P.V.C. connection pipe with PTMT Nuts, collar and bush of approved quality and colour.

15 mm nominal bore with 30cm length

Providing and fixing PTMT pillar cock of approved quality and colour.

15 mm nominal bore, 107 mm long, weighing not less than 110 gms

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete.

40 mm thick with 20 mm nominal size stone aggregate

M/s Ammu Construction