Architect and engineer . V-FIVE warmest section of San Francisco, whereasthe Richmond district is cold and in whatis commonly known as the fog belt. A com-parison of the damage done by various spe-cies of wood - destroying organisms maythrow some light upon the influence of cli-mate in its relation to termite damage. Menhave been organized into groups of six witha squad captain, to work under the direc-tion of a district supervisor. Draughtsmenhave filled out cards at the City Assessorsoffice giving the location of each building on the lot, its approximate outline, andother pertinent data, as
Architect and engineer . V-FIVE warmest section of San Francisco, whereasthe Richmond district is cold and in whatis commonly known as the fog belt. A com-parison of the damage done by various spe-cies of wood - destroying organisms maythrow some light upon the influence of cli-mate in its relation to termite damage. Menhave been organized into groups of six witha squad captain, to work under the direc-tion of a district supervisor. Draughtsmenhave filled out cards at the City Assessorsoffice giving the location of each building on the lot, its approximate outline, andother pertinent data, as an aid to the menmaking the inspections. New men are be-ing assigned to the San Francisco TermiteSurvey for a period of training, to take theplace of the men who are now engaged inregular field inspection work. As rapidlyas the new men absorb the instruction theywill be added to the inspection force. It ishoped that in the near future it will be pos-sible to maintain 200 to 250 trained inspec-tors in the field every STREET SCENE IN TAXCO, GUERREROPhoto by Rafael Garcia THE ARCHITECT AND ENGINEER ^ 50^ JUNE. NINETEEN THIRTY-FIVE Cables ^h Chict Engineer of Bat; BridgeDescribes Method of SpinningHuge Suspension Ropes have handrails consisting of a single 9-16inch wire cable. The catwalks will be connected together GREAT interest is being taken in the by crosswalks, of which there will be threebuilding of catwalks which are neces- in the center span and one in each of thesary before the suspension cables of side spans. These are for the purpose ofthe San Francisco-Oakland Bay Bridge can bracing the two walks together and also tobe spun. These walks are now being laid, permit the workmen to cross from one cat-as the illustration shows. C .H. Purcell. walk to the other. chief engineer of the Bay bridge, has pre- To add to the rigidity of the system, espe-pared the following interesting description cially in times of storm, the storm cables areof the suspension cable feature of
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