provn of additional electrical points at tarang ( ensci ) building no p-54 for covid-19 facility , vasakhapatnam , ( i ) m&l sub main wiring with 4 runs of 10 . 0 sqmm pvc insulated frls copper conductor cable with one run of 6 . 0 sqmm frls copper cable for earth continuity conductor as earth lead for sub main wiring and connecting to common earth dolly . qty- 50 rm ( ii ) m & l sub main wiring with 2runs of 6 . 0 sqmm pvc insulated frls copper conductor cable with one run of 2 . 5 sq . mm frls copper cable for earth continuity conductor as earth lead for sub main wiring and connecting to common earth dolly . qty-110 rm ( iii ) m & l sub main wiring with 2runs of 4 . 0 sqmm pvc insulated frls copper conductor cable with one run of 1 . 5 sq . mm frls copper cable for earth continuity conductor as earth lead for sub main wiring and connecting to common earth dolly . qty- 330 rm ( iv ) s&f plastic surface box of 12 module with the following items internally connected with suitable cable complete all as specified and directed :- . qty- 40 each ( a ) 12 module cover plate ( b ) 6amps switch socket-02nos ( c ) 6/16amps switch socket-02nos ( d ) 3 core 4sqmm copper cable of 3mtr for extension ( e ) 16amps 3 pin plug top fixed to extension cable ( v ) s&f plastic surface box of 3module with cover plate and 16amps switch socket -01no . qty- 50 each ( vi ) s&f vertical tpn db incommer 4 way 12 outgoing having powder coated sheet steel enclosure fitted with bus bar , din channel & neutral link & earth link , ip 45 protection make indoasian cat no 811888or eq in havales / schneider/ge . qty - 01 each ( vii ) s&f 3 pole mccb 100 amp , 50 hz , 415 v with rupturing capacity 25 ka with fixed thermal magnetic release type make : indoasian / l&t/standred/havells/abb . qty- 01 each ( viii ) s&f distribution board , spn 12 way , doble door with 200 amps rated bus bar complete all as specified and directed make : indo asian/standard/havells . qty - 06 each . ( ix ) s & f mcb , sp 6 to 32 amps c curve 240 volts . make : indo asian/standard/havells/hpl . qty-60 each ( x ) s & f mcb , spn 63 amps c curve 240 volts make : indo asian/standard/havells/hpl . qty-12 each . ( xi ) s & f rigid non-metalic pvc conduit 32mmdia , medium grade inclusive of boxes ( junction/ treminal ) but inclusive of all tees , bends , elbows , reducers , bell mouth tube ends and fixing accessories such as couplers , lock nuts , saddles , pipe hook etc . qty- 50 rm ( xii ) s & f casing n capping , isi marked of size 50mm x 16mm complete all as specified and directed . qty-150 rm ( xiii ) m & l for earthing complete with galvanized steel earth plate 600x600x6mm thick buried vertically in ground to depth not less than 2 . 25 mtr below ground level , with top edge of the plate not less than 1 . 50 mtr below normal ground level , connected to gi earth lead wire 4 mm dia by means of bolts , nuts , check nuts and washers of galvanized iron and connection to main switch board of panel , including watering pipe gi 20 mm bore light grade 15mm bore for earthing lead , wire mess , funnel , salt , charcoal dust , excavation and refilling pit with pcc 1:2:4 type b1 ( using 20mm dia stone aggregate ) reinforced with 6mm dia round bar @ 75mm cement concrete both always with ms handle 12mm dia and frame all as shown in electric plate no 3 in page 497 of ssr part i ( 2009 ) including testing on completion all as directed .