Thiruvarppu Devaswom -Thiruvarppu Sub Group - Kottayam Group -Repair and Maintenance of the Ancient Koothambalam for Preserving its Original Architectural and Cultural Integrity.

Roofing

Dismantling tiled roofing with battens, boarding etc. complete including stacking of serviceable material and disposal of unserviceable material within 50 metres lead.

Dismantling wood work in frames, trusses, purlins and rafters up to 10 metres span and 5 metres height including stacking the material within 50 metres lead:Of sectional area below 40 square centimeters

Supplying and fixing Anjily wood reapers of size 50x25 mm with wire nails including cost and conveyance of materials etc. complete.

Supplying and fixing Dept. wood reapers of size 50x25 mm with wire nails including cost and conveyance of materials etc . complete.

Supplying and fixing Anjily wood wrought and put up for roof members including cost and conveyance of materials etc. complete .

Scrapping and cleaning the old painted/varnished surface of wooden members with sand paper

Supplying Ist class M.P.roofing tiles of size 410 x 235 mm or nearest available size with single groove

Supplying M P hip & ridge tiles 400 mm or nearest available size

Roofing with departmental (old & new) MP tiles(size 410X235 mm ) or nearest available size

Roofing with department ( 400mm or nearest available size ) M.P hip & ridge first class set in CM 1:4 including finishing the edges

Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

Painting with oil type wood preservative of approved brand and manufacture:Old work (one or more coats)

Varnishing with varnish of approved brand and manufacture :Two or more coats glue sizing with spar varnish or an under coat of flatting varnish

Painting with tile guard paint (Colour as desired by the Engineer)of approved brand and manufacture to give an even shade: old work (Two or more coat)