Technical Specifications - UNDP

3.Defective Stone: Any piece of stone showing flaws, cracks, or imperfections such as vents, sand and
clay holes, shelly bars, shakes, mottle, seams or starts upon receipt at the storage yard, or at the
building site, shall be discarded and removed from the work site, at the contractor's own expense .
ENVIRONMENTAL REQUIREMENTS
A. The following environmental requirements are applicable to stone set in mortar, and when caulking
stone joints with sealant:
1. During freezing or near freezing weather provide equipment and cover to maintain a minimum of 4
degrees C and to protect stone work completed or in progress .
2. At end of working day, or during rainy weather, cover stone work exposed to weather with waterproof
coverings, securely anchored .
3. Maintain materials and surrounding air to a minimum 10 degrees C prior to, during and 48 hours after
completion of work .
3 PRODUCTS
STONE MATERIALS AND FABRICATION
General
1. Stone shall be of good quality, sound, free from cracks and defects, seams or starts which may impair its
structural integrity, durability, appearance or function. Colour, texture and finish shall be within the range
of samples approved by the Engineer .
2. All stone shall be obtained from quarries having adequate capacity and facility to meet the specified
requirements. Cutting and finishing shall be performed by using approved equipment to process the
material promptly on order and in strict accordance with the specifications . Evidence to this effect shall be
provided by the contractor's.
3. Stone rejected for noncompliance with the submitted samples or the requirements of this specification
shall be replaced with material acceptable to the Engineer. Replacement shall be prompt and at the
Contractor's own expense. Inspection of stone by the Engineer shall not relieve the contractor of his
responsibilities to perform all work in accordance with the Documents.
STONE SCHEDULE
Refer to the Drawings for locations, sizes and herein . All stone work shall be carried out and executed in
accordance with the classifications of class " Special refer to clause 1.06, item A/1. Stone Type
Application/ Thickness / Finish
Application: Exterior and Interior – Special Shapes include, but not limited to:
- Rebated and Splayed sills-Splayed copings with rounded edges – Splayed and mitered copings .
- Corner stones – Quoins
- Splayed coping quoins
- Other, all as shown and / or noted in the drawings and in the Book of Details (Jordanian Code)
Thickness : As noted on the relevant details / drawings .
Finish : Mosamsam, Mattabeh and Tubza dressing, as noted on the drawings and details .
FINISH
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