"The outside spandrils are also to have a flange cast on their tops, running the whole length of the bridge, to bed the cornice, &c., upon.
"The cornice is to be of the same form and dimension as shown upon the drawing-, having strengthening pieces cast inside, not thrther asunder than 3 feet. It must be cast in lengths not exceeding- 9 feet ; and each piece is to be con nected to the other by internal flanges and three 1 1 inch wrought-iron screw-pins in each joint. The bottom of the. cornice will lie upon a flange cast upon the top of the outside spandrils, and be secured to it, and the road-plates U inch 'wrought-iron screw pins, two "The plinth is to be of the dimensions and form as shown upon the drawings; it must be cast in lengths not exceeding S feet inches, each piece to be connected to the other by a dove-tailed joint. EIN are also to be cast on the bottom of each side, to secure it to the top of the cornice by 11 inch Nvrought-iron screw-pins, not more than two feet asunder. Sockets are to be east in the top of the plinth, to receive.
"The palisade bars are to be 11 inch square, placed arris ways, and not more than ti inches asunder from centre to centre. The handrail is to be of the same dimensions and form as shown upon the drawings, having sockets cast on the under sides to receive the tops of the palisade bars; and it is to be screwed to the top of every sixth palisade bar, with a counter-sunk headed screw, and it must be secured or con nected with the pedestals in the manner shown upon the drawings. The pedestals are to be of the same dimension and Ruin as shown upon the drawings, having sunk panels on the front and back ; internal flanges to be cast on the top to receive the handrail, and the caps are to be put on with countersunk headed screws. Brackets arc also to be cast on each side of every sixth palisade bar, of the same form as shown upon the drawings, and secured by se•ew•pins to the plinth.
"The covering or road-plates are to be reticulated, and of the same dimension anti form as shown upon the drawing, having flanges east on their under sides to receive the bearers or tops of the spandrils; they are to be secured to the top of the centre spandrils, and to the flanges cast on the top of the outside spandrils, by 11- inch wrought-iron screw-pins, two in each joint. They are also to be connected to each other
by flanges cast on their under sides, and two LI inch wrought iron screw-pins .111 each joint.
"None of the castings are to be run from the blast-furnace, but the whole work must,be made from good No. pig-iron, of a quality satisthctory to the surveyor or surveyors of the works of the comity of StaflOrd. All the screw-pins, nuts, washers, keys, cotters, wedges, &c., are to be made of the best malleable iron. All the joints are to be made in a good workmanlike manner ; and the whole of the work must be fitted and fixed at the contractor's works, and inspected by the county surveyor previous to its being sent off: All the work must be moulded, wrought, fitted, and erected, in a substantial and workmanlike manner, and to the entire satis thction of the county surveyor or surveyors.
"The contractor must find and pay for all patterns. mate rials, tools, cement, tackling for fixing his work, and all other utensils or "equisite things connected with the construction and fixing his part of the work. The estimates are to be given in a gross sum, and must include carriage of all mate rials to, and fixing the work at, the place of the intended erection.
"The county of Stafford will be at the expense of the whole of the masonry of the abutments, and emitting and letting in the iron-work into the masonry, and will also provide cen tering for turning the arch.
"Should any alteration be made hereafter in the dimensions or method of executing any part of the work, the extra price or dedia•tion, whichsoever it may be, shall be agreed upon by the contractor and the county surveyor or surveyors, before such part or parts of the work arc put in execution. But such alterations shall only be considered as affecting the matter or object thus specified, and not hays any tendency to-annul the general contract.