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Foundation Specifications for WTC River Intake Relocation

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Construction specifications document detailing foundation requirements for the World Trade Center river water intake system relocation project.

NYC-WTC_000165112–000165243

Folder label: “WORLD TRADE CENTER - RELOCATION OF RIVER WATER INTAKE LINES & PUMP STATION ELECT. POWER & COMM. LINES

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NYC 9/11 Public Portal Document

Battery Park City Commercial Center Bldg. ’B’ WTC River Water Intake System Relocations

quired, shall be coated with a non-staining min­ eral oil or other approved material, applied be­ fore reinforcement is palced. G. PROPORTIONING INGREDIENTS 1. Concrete shall be mixed in accordance with the following proportions as per World Trade Center requirements: Ingredients Quantity and Slumn Cement - pounds 94 Fine Aggregate - pounds 225 Coarse Aggregate - pounds 6.25 Water - maximum gallons 375 Slump - maximum inches 4

PART III - EXECUTION A. Batching of Material 1. Bulk cement shall be weighed on scales having a degree of control and accuracy such that the de­ livered weight shall be correct within one per­ cent, The scale and weight hopper shall be sepa­ rate and distinct from those used for other mater­ ials. Cement may be batched on a bag basis; the weight of a bag of Portland Cement (U.S.; shall be taken as 94 pounds and only whole units are to be used with this method. 2. Aggregates shall be weighed on scales ha’ving a degree of control of accuracy such that the de­ livered weights are correct within two percent. Moisture, both free and absorbed, shall be correc­ ted for and the free moisture shall be taken into account when dispensing the mixing water. 3. Water shall be measured by volume or weight with an accuracy and control within a one percent tol­ erance. 4. When the outdoor temperature is belov? 40"F or is likely to fall below 4O'’F during the 24-hour peri­ od after placing, adequate equipment shall be pro­ vide for heating the concrete material and pro­ tecting the concrete against freezing, but no fro­ zen materials or materials containing ice shall be used. Temperatures of the separate materials.

Concrete For Electrical Work 16030-3 NYC-WTC_000165240

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NYC-WTC_000165240Source: NYC Law Department, mirrored locally

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NYC-WTC_000165064 · Box DEP Box 44

Request documentation regarding the relocation of river water intake lines and pump station utilities at the World Trade Center.

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