SPECIFICATIONS 299 



Dowels and Cramps. — All solid door frames are to be dowelled to 

 thresholds with f" wrought-iron dowels 5" long (2A-" in wood, 2i" in 

 concrete) ; and to be secured to walls with 14 gauge galvanised hoop-iron 

 cramps, 1£" wide, screwed to frames with two screws, and built 18" into 

 walls, and turned up into brickwork joints ; three cramps to each jamb. 



Put similar cramps, two to each jamb, to windows. 



Water Bar. — Provide and fix to each window 1" by £" wrought-iron 

 water bar, bedded £" in groove in sill in thick white lead. 



Cleaning Out, etc. — Clean out, from time to time, all shavings, 

 cuttings, and other rubbish, from off the premises, during the progress of 

 the works. 



Before giving up possession, the contractor is to see that all doors, 

 sashes, etc., work easily, and make all necessary adjustments, and leave 

 the whole of the work complete, and to the satisfaction of . 



Deain Layer 

 Materials to be Used 



Pipes. — Pipes are to be best quality, salt-glazed, stoneware, socketed 

 pipes, well burnt and glazed throughout, circular in section, straight, true 

 in bore, and free from cracks and flaws of every description. 



Sand and Cement. — As described in " Concretor and Bricklayer." 



Drain Layer 

 Work to be Done 



Drain Pipes. — Lay 6" diameter salt-glazed drain pipes, as described, 

 to a fall of not less than 1 in 50, accurately laid with joints butted closely 

 and jointed with 1 : 1 cement mortar, and with 1 : 1 cement mortar 

 fillet. 



Special care is to be taken to sweep out the whole length of drain 

 between manholes with a " badger " to insure that no cement or foreign 

 matter remains in piping. 



Properly connect up line of drain to liquid manure tank. 



Inspection Chamber. — Construct inspection chamber, where shown on 

 plan, with 6" cement concrete bottom projected 6" all round outside of 

 walling ; 9" walls in specially hard burnt bricks in cement mortar ; and 



