supply of (1) union tee 1/2 inch o.d to drg no.icf/std 3-5-018 item 1 and to to icf spec icf/md/166. (2) union tee 3/4 inch o.d to drg no. icf/std 3-5-018 item 2 and to icf spec icf/md/166 (3) union tee 1 inch o.d to drg no. icf/std 3-5-018 item 3 and to icf spec icf/md/166. (4) union tee 28 mm o.d to drg no.icf/std 3-5-018 item 5 and to icf spec icf/md/166. (5) reducing bush 1 inch bspt(m) x 3/4 inch bspt (f) to drg no.icf/std 3-5-036 alt b item 1 and to spec icf/md/166. (6) union elbow 28 mm o.d to drg no.icf/std 3-5-017 item 4 and to icf spec icf/md/166. (7) reducing bush 1/2 inch bspt(m) x 3/8 inch bspt (f) to drg no.icf/std 3-5-036 alt b item 5 and to spec icf/md/166.(1) union tee 1/2 inch o.d to drg no.icf/std 3-5-018 item 1 and to to icf spec icf/md/166. (2) union tee 3/4 inch o.d to drg no. icf/std 3-5-018 item 2 and to icf spec icf/md/166 (3) union tee 1 inch o.d to drg no. icf/std 3-5-018 item 3 and to icf spec icf/md/166. (4) union tee 28 mm o.d to drg no.icf/std 3-5-018 item 5 and to icf spec icf/md/166. (5) reducing bush 1 inch bspt(m) x 3/4 inch bspt (f) to drg no.icf/std 3-5-036 alt b item 1 and to spec icf/md/166. (6) union elbow 28 mm o.d to drg no.icf/std 3-5-017 item 4 and to icf spec icf/md/166. (7) reducing bush 1/2 inch bspt(m) x 3/8 inch bspt (f) to drg no.icf/std 3-5-036 alt b item 5 and to spec icf/md/166.,union tee 1/2 inch o.d to drg no.icf/std 3-5-018 item 1 and to to icf spec icf/md/166. [ w arranty period: 30 months after the date of delivery ] ] , union tee 3/4 inch o.d to drg no. icf/std 3-5-018 item 2 and to icf spec icf/md/166 [ war ranty period: 30 months after the date of delivery ] ] , union tee 1 inch o.d to drg no. icf/std 3-5-018 item 3 and to icf spec icf/md/166. [ warr anty period: 30 months after the date of delivery ] ] , union tee 28 mm o.d to drg no.icf/std 3-5-018 item 5 and to icf spec icf/md/166. [ warr anty period: 30 months after the date of delivery ] ] , reducing bush 1 inch bspt(m) x 3/4 inch bspt (f) to drg no.i