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The head of standard pile (S) to be tenoned 8 inches into a bracket beam 10 in. x 12 in. and 5 feet long, bolted to main beam by two screw bolts ⅞ in. diameter.

A tie 9 in. x 4 in. and 2 feet long at each cap, spiked to upperwale of fender piles and to cap (T on plan No. 2) by two ⅝ in. pins, 10 in. long in each.

Washers of Bolts. All the screw bolts throughout the work to have washers not under three times the diameter of the bolt.

Ends of Cross Head. The edge beam to be carried along ends of cross head and of other projections over a double joist and bolted through each main beam by a ⅞ in. screw bolt.

Also an upper wale 14 in. x 6 in. along ends of cross head and of projections scarfed 4 feet at joinings and secured by inch bolts.

Framing of Cross Head. The main beams of cross head to be framed as specified for wharf and shown in drawing No. 2; but the cross stringers and diagonals in cross head to be 12 in. x 6 in. and also framing to be fixed as shown on drawing No. 3.

The lower cross wales of the standard piles of cross head to be 12 in. 6 in. checked 1 in. where they cross the pile and secured to pile by two ⅝ in. copper screw bolts, to be scarfed three feet at joinings.

The diagonals of cross section of cross head to be double, 10 in. x 6 in. each.

The junctions of cross head and of central projections to be secured, as shewn on drawing, No 3.

Land end. The main beams at the land end of Wharf to be carried six feet over the edge of the Sea Wall, and secured to a sleeper 12 in. square by an inch screw bolt in each.

A strut 12 in. by 6 in. to be placed under each of four of the main beams with a ⅞ in. screw bolt and two ⅝ in. spikes 10 in. long into each beam, and resting on lower stringer of Sea Wall, with a connecting piece 12 in. x 6 in. bolted to each strut.

Stairs. Two Stairs, one on each side of Wharf at intersection of Cross-head, to be fitted and securely fixed to piles. To be each four feet wide and to be of a similar scantling and construction as the stair on face of reclaimed land, near the head of proposed wharf. The bottom step to be ten feet under edge beam.

Two similar stairs, to be placed one on each side of central projection.

Approach to Wharf. Steps 10 feet wide with 10 inches tread, and 6 inches rise and 3 inches thick, to be placed in centre of inner end of wharf, to form an approach from the road level of reclaimed land; and ends of roadway plank to be covered by a piece 14 in. by 6 in., going across the wharf and bolted to main beams by an inch screw bolt through each. Bolt heads sunk flush into timber.

Shelter for landing of boats. In order to shelter the landing place for boats at reclaimed land, the portion marked "A, A." on plan No. 1, being from the sea wall to the first standard pile on Northern side, to be sheet piled by heart of totara piles 9 in. x 3 in. driven three feet into the ground, and spiked at upper end to outside of main beam, and also to a wale 10 in. by 4 in. at low water level, fastened to standard pile and to a pile 8 inches square, driven five feet into ground close to face of sea wall. These piles not to be shod.

Also the space "B. B." on plan, No. 1, being across first row of standard piles, to be close planked by two inch heart of totara plank, spiked to piles by Ewbank's six inch spikes, to fill up the space between the lower cross wall and the cap.

JOHN T. STEWART,

Provincial Engineer's Office,
Wellington, 21st October, 1861.