Germany - Construction work

Description

- Demolition and dismantling work (DIN 18 459); - Earthworks (DIN 18 300); - Drainage canal work (DIN 18 306); - Underground cable laying work (DIN 18 322); - Shoring work (DIN 18 303).
Requirements for those carrying out 1. For work on local heating pipelines, presentation of a certificate stating that the welders are certified according to EN 287-1 and that they are able to weld radiopaque under site conditions.2 For work on drinking water pipelines, presentation of a certificate according to DVGW GW 301, group W3pe.3. For work on gas pipelines, presentation of a certificate according to DVGW, group G2 pe and st.4For drainage channel work, presentation of the RAL quality mark 961 Sewer construction for the assessment group AK2 or alternatively AK3 with details of the performance of services in the last 3 financial years which are comparable with the service to be awarded. (allowance);- disposal of approx. 10 t tarred surface (allowance);- approx. 1,615 sqm concrete paving stones a.o.b. (allowance);- approx. 500 sqm high/round boarding stones a.o.b.;- approx. 500 sqm low boarding stones a.o.b, see below;- approx. 170 cbm demolition of the property wall;- approx. 280 m demolition of the local heating pipe in the heating channel, see below;- approx. 140 m demolition of the local heating channel, etc. 850 cbm excavation trenches up to 1.75 m;- approx. 1,400 cbm excavation trenches up to 4.0 m, see above;- approx. 750 cbm excavation up to 4.8 m, see above;- approx. 104 m civil engineering connecting trenches according to the current construction planTrench shoring and dewatering:- approx. 1,600 sqm trench shoring;- approx. 450 sqm trench section shoring;- approx. 300 sqm building pit shoring as sheet pile wall each;- approx. 180 sqm lost sheet pile wall as protective shoring;- approx. 10 m wall panels 180 cm as protective shoring;- approx. 110 sqm protective cover;- approx. 400 m dewatering trench at the choice of the AN.drainage channel works:- approx. 260 m PP pipes DN/OD 315, 250, 200, 160, 140, 100;- approx. 68 pcs. bends DN 315, 250, 200, 160, 140, 110 - 15o-30o (allowance);- approx. 12 pcs. branches DN/OD 315/160,140, 110 - 87o (allowance);- approx. 14 pcs. socket plugs DN/OD 200, 160, 140, 110.water pipe works:- approx. 317 m PE pressure pipe da 140 x 8.3/ 125 x 7.4/ 90 x 5.4/ 50 x 3.0/ 40 x 2.4 mm;- approx. 14 pcs. PE V-band da 120/90/50/40 with loose flange DN 100/80/40/32;- approx. 40 pcs. PE bend as 140/125/90/50 (extra charge);- approx. 320 m route warning tape;- approx. 490 m of pipelines up to 140 x 83 check and sterilise water meter shaft:- approx. 1 pc. Water meter shaft;- approx. 5 pcs. GGG fittings various;- approx. 3 pcs. soft-sealing gate valves DIN EN 1171 DN 80/32;- approx. 1 pc. installation of on-site water meter DN 80, incl. wall bracket;- approx. 1 pc. Two-legged ladder l= approx. 2.2 m;- approx. 2 wall ducts for 125 x 7.4 mm pipe;- approx. 1 pc. Execution planning (factory planning);- approx. 1 pc. pipe statics in case of change;- approx. 200 pcs. Installation support KMR l.u.e.;- approx. 338 m KMR DN 125/100/80/50 / DA 250, straight pipe;- approx. 340 m allowance for leakage monitoring;- approx. 100 pcs. Allowance for connection leakage monitoring;- approx. 30 KMR bends DN 125/100/80/50 / OD 250/225/180/140, 90o;- approx. 6 KMR-T-branch straight/parallel DN 125 / DN 80/50;- approx. 116 PE-X-shrink sleeve DN 125/100/80/50 / OD 250/225/180/140;- approx. 2 protective tents for socket installation, plus tent heating;- approx. 108 radiographic tests up to DN 125;- approx. 108 leakage tests with vacuum DN 125/100/80/50;- approx. 1 leakage test with vacuum DN 125/100/80/50 Photo documentation of a local heating pipe;- approx. 9 m PE protective pipe DN/OD 250 for subsequent installation of a refrigeration pipe;- approx. 4 m PE protective pipe DN/OD 110 for subsequent installation of a refrigeration pipe.Empty pipe laying work:- approx. 1,030 m PE cable pipes DN 100 smooth inside left;- approx. 342 m allowance spacer;- approx. 6 pcs. construction shaft size IV 1.0 x 1.2 m with cover cl.

Opportunity closing date

13 October 2020

Value of contract

to be confirmed