Section 823. Procurement of goods, other personal property and services

With respect to the procurement and disposal of goods and other personal
  property and the procurement of services other than  personal  services,
  the commissioner shall have the following powers and duties:
    (a)  to  purchase,  inspect, store and distribute all goods, supplies,
  materials, equipment and other personal property required  by  any  city
  agency,  except  as  otherwise  provided by law, or by any office of any
  county wholly included in the city  for  which  supplies,  materials  or
  equipment  are  required,  payment  for  which  is  made  from  the city
  treasury;
    (b) to establish and maintain one or more city storehouses,  operating
  therein  a  modern  system  of  stores  control, to supply the estimated
  current needs of the agencies for which the commissioner  is  authorized
  to  purchase.  All  purchases  other  than  such purchases for stock for
  estimated needs and  all  deliveries  from  such  stock  shall  be  upon
  justified   requisitions.   The  commissioner  shall  also  oversee  the
  establishment of efficient and economical systems of stores  control  in
  other  city  agencies  and  review the operations of such storehouses to
  assure their efficient and economical management;
    (c) to receive all surplus and obsolete personal property not required
  by any agency for which the commissioner has the power to make purchases
  and all such agencies shall surrender such property to the  commissioner
  who  shall  dispose  thereof pursuant to rules promulgated by him or her
  governing  its  redistribution,  exchange,  transfer,  sale   or   other
  disposition;
    (d)  to  procure,  supply  and  manage contractual services other than
  personal or professional services for the use of city agencies;
    (e) to promulgate rules governing the purchase, payment, storage,  and
  delivery  of goods, supplies, materials and equipment by agencies of the
  city and  the  disposal  of  surplus  and  obsolete  materials,  and  to
  supervise their enforcement;
    (f) to classify all goods, supplies, materials and equipment; to adopt
  as  standards  the  minimum  number  of  qualities,  sizes  and types of
  commodities consistent with efficient operation and  life  cycle  costs;
  and  to  promulgate  and  enforce  written  specifications  for all such
  standard commodities.