Technical Specifications - UNDP

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3- No cutting or drilling will be permitted on exposed surfaces . 4 MORTAR MATERIALS AND ACCESSORIES Cement 1- Cement for Setting Mortar: Non – Staining Portland Cement conforming to ASTM CI50, Type I except containing not more 0.03% water soluble alkali. Turkish cement will not be permitted. 2- Cement for Pointing Mortar: Non-staining white Portland Cement conforming to ASTM CI50. Grey nonfattening cement may be used for pointing mortar if the colour of pointing mortar, as selected by the Supervising Engineer, does not require white Portland Cement. Water Water shall be potable, clean and fresh from public water system . Sand Well graded non-staining masonry sand conforming to ASTM C1 44. Use white Silica sand pointing mortar. No other Sand shall be permitted for mortar or grout unless otherwise tested and approved by the Engineer. Lime Approved brand of plastic hydrated, such as New England 4x, conforming to ASTM C207, Type "S" Integral Waterproofing Integral liquid waterproofed for concrete and mortar , manufactured by an approved manufacturer and conforming to ASTM C494 . Integral Color Super permanent, manufactured by an approved manufacturer and conforming to BS 1014 . Mortar Plasticiser As manufactured by an approved manufacturer and conforming to BS 4887 . 5 STONE ANCHORAGE – MATERIALS General All stone anchorage in contact with stone shall be fabricated from approved galvanized steel. Gravity anchors Wherever possible and appropriate stone shall be supported by gravity anchors . The Type location and number of gravity anchors. shall be determined by calculations , recommended practices of the BST . Lateral Anchors 28
The type, location and number of lateral anchors shall be determined by calculations, applicable codes, and recommended practices of the BSI. Dovetail Anchor Slots Fabricate from not less than 6 ga. Galvanized steel . Provide dovetail anchor slots with filler strips Anchorage Tolerances Stone anchors shall be sufficiently adjustable to overcome expected variations in the building frame and in the stone itself, and in both in combination. 6 EXECUTION Conditions At Site 1. The Contractor shall, prior to proceeding with the stone installation, examine all surfaces and parts of the structure to receive stone work, and notify the supervising Engineer in writing of any conditions detrimental to the proper and timely completion of the work. Do not proceed with installation until such conditions have been corrected and are acceptable to the Engineer . 2. Verify all measurements and dimensions, coordinate the installation of inserts for this work and coordinate and schedule this work with the work of other trades. Give particular attention to the location and size of cutouts required to accommodate mechanical, electrical, and other work or adjoining construction, in accordance with the reviewed shop drawings for such trade. Stone Installation 1. Anchors, Brackets and Angles : Securely fix in place all supporting anchors, inserts, brackets, angles and other items requiring building into concrete , provide location drawings in sufficient time so as not to delay job progress . 2. Preparation for stone Installation : Clean stone prior to setting , leaving edges and surface free from dirt and foreign mistrial . Do not use wire brushes or implements which mark or damage exposed surfaces, unless otherwise approved by the Engineer . C- Mortar And Grout Proportioning – By Volume 1. General: Mortar and grout proportioning shall be prepared and tested by the contractor, and in addition the contractor shall allow for preparing and testing the motar and grout mixes included within this section to meet the Engineer's satisfaction and approval. 2. Setting Mortar for Stone: 1. Portland Cement - 1 part 2. Hydrated lime - 0-0 .25 part 3. Sand - 3 Parts 4. Plasticiser 5. Integral water proofer 3. Pointing Mortar : 29
Page 1 and 2: ATLAS 57544 : Construction of Menta
Page 3 and 4: SECTION: 1 GENERAL CONDITIONS 1 Gen
Page 5 and 6: 2. The contractor is to submit samp
Page 7 and 8: The contractor shall submit to the
Page 9 and 10: (1) is obtained at a lesser depth t
Page 11 and 12: SECTION: 3 1 General CONCRETE WORK
Page 13 and 14: All reinforcement shall be free fro
Page 15 and 16: Coarse aggregate : the grading of c
Page 17 and 18: The terms contained in Table 4 are
Page 19 and 20: The Contractor when tendering havin
Page 21 and 22: last more than 30 seconds. The vibr
Page 23 and 24: the minimum strength specified for
Page 25 and 26: 2. American Welding Society (AWS):
Page 27: 1. The finish , of exposed to view
Page 31 and 32: Joints noted to receive sealant sha
Page 33 and 34: 1 Manufacture SECTION: 5 BLOCKWORK
Page 35 and 36: The plasticiser shall be used stric
Page 37 and 38: −Asphalt sheets should be supplie
Page 39 and 40: SECTION: 7 1 General PLASTER WORK T
Page 41 and 42: Bonding agents where required shall
Page 43 and 44: 9 Steel Mesh Lathing, Stops And Bea
Page 45 and 46: Cement And Sand Tile Dimensions Siz
Page 47 and 48: Glazed ceramic floor tiling shall b
Page 49 and 50: Tiles shall be cleaned off as soon
Page 51 and 52: The Contractor shall not be permitt
Page 53 and 54: 11 Architraves , Door Stops etc. Ar
Page 55 and 56: Ironmongery is to be hard satin ano
Page 57 and 58: Glazing sections shall be in specia
Page 59 and 60: SECTION : 12 PAINTING AND DECORATIN
Page 61 and 62: Fair faced concrete and/or cement a
Page 63 and 64: Externally a cement type paint may
Page 65 and 66: 4 Wired Glass Wired glass shall be
Page 67 and 68: 16 Cleaning etc The Contractor shal
Page 69 and 70: All hangers and supports shall be o
Page 71 and 72: 2 COLD WATER SERVICES 2.01 GENERAL
Page 73 and 74: plastic pipes, manufactured to ASTM
Page 75 and 76: 3 HOT WATER SERVICES 3.01 GENERAL R
Page 77 and 78: All pipeworks rimming in buildings
Page 79 and 80:
B. Steel Boiler The steel boiler sh
Page 81 and 82:
Mechanically; sealed condensing and
Page 83 and 84:
e indicted in the installation inst
Page 85 and 86:
6 SANITARY FIXTURES 6.01 GENERAL RE
Page 87 and 88:
7 VENTILATION 7.01 TOILET EXTRACT F
Page 89 and 90:
8 STANDARDS 8.01 INTRODUCTION This
Page 91 and 92:
The Contractor shall demonstrate, i
Page 93 and 94:
The composite panels shall then be
Page 95 and 96:
To facilitate routine maintenance,
Page 97 and 98:
shall in all cases be of good quali
Page 99 and 100:
1) Purpose-made mild steel band (mi
Page 101 and 102:
c) Guides provided. Each such dista
Page 103 and 104:
Thermometers shall be fitted on eac
Page 105 and 106:
Each such equipment shall be mounte
Page 107 and 108:
material. The metal sleeve outside
Page 109 and 110:
All tests are to be carried out bef
Page 111 and 112:
APPENDIX NO. II VALVES Service Type
Page 113:
APPENDIX NO. III The following tabl
Page 116 and 117:
2. The Electrical & Communication S
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The contractor will be responsible
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1. General Electrical Switchboards
Page 122 and 123:
i. The plans must include the manuf
Page 124 and 125:
h. Contactors will be as made by "T
Page 126 and 127:
2. The contractor prior to commence
Page 128 and 129:
g. All metallic cable conduits must
Page 130 and 131:
3. Preparatory Works for the Instal
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1) All fluorescent tubes shall have
Page 134 and 135:
1. General Measurement & Payment Me
Page 136 and 137:
4) Connections of pipes to building
Page 138 and 139:
special for UPS sockets, installed
Page 140:
conductor length- as required. The
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Technical Specifications - UNDP

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