SANS 10120-5 DN-1982 Code of practice for use with standardized specifications for civil engineering construction and contract documents Part 5 Contract administration Section DN E.pdf

1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA

2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any

3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. Clause SARS 0120 : Part 5 Section DN-1982 Earthworks (railway sidings) PART 5 : CONTRACT ADMINISTRATION SECTION DN CONTENTS Page Number START OF CONSTRUC

4、TION 1 General 1 1MMP.I)IAPELY AFTER THE HANDING OVER OF THE SITE . 1 DURING CONSTRUCTEON . 1 Methods of Construction 1 Compaction . 1 Material or compaction standard not to specification . 1 QUALIPY CONTROL AND OTHER CONSIDERATIONS . 1 First Revision March 1982 This section oI: the code superscdes

5、SABS 0120 : Part 5 : Section DN-1979 Approved by the SOUTH AFRICAN nuww OF STANDARDS SABS 0120 : Part 5 Section DN-1982 Earthworks (railway sidings) SABS 1200 DN : EARTHWORKS (RAILWAY SIDINGS) NOTE: The clause number(s) given at the beginning or after the heading of a clause is/are, unless otherwise

6、 stated, the number(s) of the relevant clause(s) of SABS 1200 DN. START OF CONSTRUCTION GENERAL. For the purposes of this part of the code contract administration starts with instructions to the contractor to commence work as set out in Subclause 4.1 of Section 0 of Part 5 of the code. IMMEDLATELY A

7、FPEK THE HANDING OVER OF THE SITE. See Section D. DURING CONSTRUCTION METHODS OF CONSTRUCTION Compaction_ (Subclause 5.2.2.3). Compaction should be carried out by means of disc harrows or other suitable equipment to ensure that there are no clods or lumps which might prevent the uniform distribution

8、 of water. The required amount of water should be applied on repented trlps by tank trucks with distrilutors of approved pattern and capacity or by sprinkler irrigation equipment. and should be thoroughly mixed with the material in the layer concerned by means of disc harrows. ploughs, motor graders

9、, or other suitable machines. During cmpaction the surface of each layer should be bladed or dragged to prevent the formation of ruts and to provide a uniform surface true to grade. level, and cross-section. Material or Com actizILtandard NottoSpexflcctko-n (Subclauso 7.1). (See also Subclause 3.2.7

10、 of P- Section D.) Itmust he appreciated by the engineer and the contractor that certain materials that are not capalrle oE being tested may be acceptable if placed properly, e.g. rock fill. QUALITY GOWSKOI, Nil) OPHER (X)NStI)ERATIONS Apply the relevant recommendations of SABS 0157) to earthworks for railway sidlngs. l) Quality management systems.