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48. Despatch at Manila (Continued from Page 29) cap was placed by means of cast iron followers and the pile and cap were then united by forcing grout under pres- sure into the space between cap and pile. For driving these huge piles, it was necessary to construct the largest and most powerful floating pile driver ever built. It was also necessary to provide special field MARINE REVIEW FRONT END’ VIEW: OF THE: HUGE FLOATING: PILE DRIVER “MAMMOTH”. WHICH WAS USED TO DRIVE THE REINFORCED CONCRETE PILES OF PIER NO. 7 equipment for casting, lifting and _transporting the piles to the floating pile driver. Reinforced Concrete Used The floor, walls and columns are all of reinforced concrete. The roof over the central cargo portion is of heavy galvanized iron supported by steel trusses of wide span, these trusses also serve as support for the interior overhead travelling electric cargo eranes. The span between the support- ing columns is 96 feet, thereby ren- dering a very wide clear floor space the entire length of the pier for ease in handling and stowing cargo. Be- tween the columns and the walls on each side are side cargo bays, each 82 feet wide and also served by over- head travelling electric cranes in the same manner as the center bay. The pier has an outside uncovered cargo apron 36 feet wide extending the entire length of the pier on each side and across the sea end. The apron is provided with flush-surface rails for the heavy lift gantry electric cranes, the passenger gangways and railroad cars. The fender system of mountain dungon, most resistent to marine borers, is supported by and slides on heavily reinforced concrete brackets. Above and below each bracket are double spring coils in spring pockets, each set being capable of resisting a pressure of 50 tons. Heavy frame platform floating fenders are anchored outside of the pier fenders as buffers and rat guards. The pier head is of ear kertcstecs Es Year March, 1926 GENERAL VIEW OF EARLY CONSTRUC- TION WORK ON PIER NO. 7 reinforced concrete, the roof of the central portion being of concrete with copper sheathing. The wings of the pier head have three floors provided with offices and necessary: conven- iences. The central portion is one story and is for use as passenger waiting rooms, and for baggage. On each side of the pier head are outer wings which serve as freight entrances. @nd exits. A most convenient and up to date feature of the pier is the elaborate provision for the handling of passen- gers and visitors to and from vessels. Extending the entire length of the pier on each side, as a second floor construction, are cool and commodious passenger passageways 18 feet wide and connected directly with the pier head by stairways and elevators. Pas- sengers and visitors leave and board vessels by overhead travelling gang- ways which connect ships’ upper deck with the balcony of the passenger passageway. This feature of the pier for the handling of passengers and uly of Tons Hoot ee mT) grt poor eg 906 VAL 1905 ii 2 i906 Pe LL | 1907 & “UG EAS P1908 VL igre . Ve mecigies ll us cea an 4 Wy N ‘a = VL ie eal sagleg 2 Ode WOOUUBLUS, GUUMMOUADUWG GY WAUCCCUCLUCAG UOULLUUULT AA CCVCUCUUCWUAUE COCUCACAULOLOGLOUA VOVUUUUCLLAUUDUDAGG: RU ENarReI, ae 4 | | eae ZZ) WUCCUUCUCLUUY: Ac UCUUCUULUUOCOUVOLAYDDY: UZ ee ||| ME ALCALOLLODUROWLDALDOMCNA UA Maen uaa tit, An (ag Al RA a | | a |_| | Bawa! SCCCCee YG SS = Z TABLE I—NUMBER OF FOREIGN VESSELS AND THEIR NET TONNAGE ENTERED AT THE PORT OF MANILA FROM 1899 TO 1924