Contract, Temas18-40Board of Water Supply, 1908 |
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Página 147
... TIMBERING IN TUNNEL Item 36 SECT 36.1 Temporary timbering consists of a system of wooden arch blocks and lagging , an acceptable design for which is shown on Sheet 13 , designed for use temporarily to af- ford protection in rock which ...
... TIMBERING IN TUNNEL Item 36 SECT 36.1 Temporary timbering consists of a system of wooden arch blocks and lagging , an acceptable design for which is shown on Sheet 13 , designed for use temporarily to af- ford protection in rock which ...
Página 137
... timbering , and shall be covered by the price stipulated for Item 25 . TEMPORARY TIMBERING IN TUNNEL . Item 26 . SECT . 26.1 Temporary timbering consists of a system of Description wooden arch blocks and lagging , an acceptable design ...
... timbering , and shall be covered by the price stipulated for Item 25 . TEMPORARY TIMBERING IN TUNNEL . Item 26 . SECT . 26.1 Temporary timbering consists of a system of Description wooden arch blocks and lagging , an acceptable design ...
Página 142
... timbering , and shall be covered by the price stipulated for Item 26 . TEMPORARY TIMBERING IN TUNNEL Item 27 SECT . 27.1 Temporary timbering consists of a system of wooden arch blocks and lagging , an acceptable design for which is ...
... timbering , and shall be covered by the price stipulated for Item 26 . TEMPORARY TIMBERING IN TUNNEL Item 27 SECT . 27.1 Temporary timbering consists of a system of wooden arch blocks and lagging , an acceptable design for which is ...
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accordance amount approved aqueduct in open arch barways Bidders blow-off Board of Water built Catskill aqueduct cement City completion concrete masonry construction Contractor shall furnish Contractor shall provide corporation County crete Croton Lake cubic yard culverts cut and cover cut-and-cover damages deposited directed downtake earth Engineer estimate executed the foregoing feet foregoing instrument forms grade tunnel grouting holes hydrostatic tests inches included invert Item 37 known and known labor linear foot materials Measurement and payment ment mortar necessary open-cut excavation ordered paid performance permitted personally known placed portion Portland cement prescribed pressure tunnel price stipulated provided in Section purposes therein mentioned quantity refilling and embanking removed rock rubble masonry sanitary SECT shafts shown on Sheet specifications Station steel stipulated in Item stone subgrade surety surface temporary tests thereof thereto thickness timbering tion top-soil tractor TUNNEL ITEMS Turkey Mountain walls Water Supply Westchester county wrought iron York