Fonds consists primarily of original working drawings in pencil on tracing paper, and paper files, dating from the 1950s, 1964 and 1982, including projects:
"Chambly County High School, St. Lambert, QC," 1952, 11 drawing sheets
" New Factory and Offices for the Gliddon Company Ltd.,Ville Lasalle, QC," 1954, 11 drawing sheets
"YMCA Southwestern Branch, Montreal, QC, 1958," 8 drawing sheets, and Architectural, Electrical, and Mechanical Specifications
"Zone Office and Warehouse for General Motors Products of Canada Ltd., Pointe Claire, QC, 1959," 24 drawing sheets
"General Motors, Montreal Truck Branch, 1964," 11 drawing sheets
"St. Andrews United Church, Ville St. Laurent, PQ, 1956," 20 drawing sheets, 3 sheets correspondence, 1982.
"Office Building for Canadian Overseas Telecommunications Corp., Belmont Street, 1955," 54 drawing sheets
"Perry & Luke"
"Hermitage Club, Magog, PQ, 1928," 14 drawing sheets

Fonds consists of architectural drawings (1961) and 2 photographs forming part of a project prepared for the United Nations for low-cost asbestos roof-tiling. A four-page application (1967) for low-cost roofing is also included. Ortega's personal library (713 cm) also comprises part of the fonds. These books and periodicals relate mainly to Ortega's professional interests such as low cost housing, building materials, water and sanitation, the environment and energy. 287 slides relate to Ortega's on-going concerns on lost-cost housing, building materials, construction methods and alternative sources of energy.

"Dessins architecturaux, 1961, 46 dessins." Les dessins faisaient partie d'un projet réalisé pour les Nations unies et portant sur des tuiles de toit en amiante à faible coût. Ce matériel n'a pas été décrit.
"Photographies, 1961, 2 photos." Ces photos se rapportent au projet mentionné ci-dessus. Ce matériel n'a pas été décrit.
"Activités architecturales, 1967, 2 cm." Le dossier contient un formulaire de quatre pages de demande de toit à coût modique. Il n'a pas encore été décrit.
"Bibliothèque personnelle, s. d., 7,13 m." Ces livres et Périodiques se rapportent avant tout aux intérêts professionels d'Ortega tels l'habitation à coût modique, les matériaux de construction, l'eau et la salubrité, l'environnement et l'énergie. Matériel en cours de traitement.
"Diapositives, s.d., 287 diapositives." Celles-ci illustrent les projets de recherche d'Ortega sur l'habitation à coût modique, les matériaux et les méthodes de construction et les sources alternatives d'énergie. Ce matériel n'a pas encore été traité.

"Architectural Drawings, 1961-5, 311 drawings." Twelve projects contain drawings, among them the Montreal Museum of Fine Arts (1962-5), a shopping centre in Kingston, ON (n.d.), a pharmaceutical centre and research laboratory for the Smith, Mine and French company in Senneville, PQ (n.d.), and the design of two residential houses in Montreal.
"Photographs, 1961-5, 84 photographs." A proposal for a master plan and municipal building in Baie d'Urfé, PQ (1962/3), a site planning study for McGill University (1961), a redevelopment scheme for Westmount (n.d.), and the Kingston shopping centre are among the six projects documented by photographs.
"Professional papers, 1960-3, 24 cm." The archive contains papers, primarily reports and specifications, for six projects, including the proposed master plan and municipal building for Baie d'Urfé, the development study for McGill University and a maintenance building for Les Habitations Jeanne-Mance in Montreal (1963).

"Dessins architecturaux, 1961-1965, 311 dessins." Douze projets sont documentés par des dessins, notamment le musée des Beaux-Arts de Montréal (1962-1965), un centre commercial de Kingston (Ontario, s.d.), un centre pharmaceutique et un laboratoire de recherche pour la société Smith, Kline et French à Senneville (Québec, s.d.) et le dessin de deux résidences de Montréal.
"Photographies, 1961-1965, 8.4 photos." Une proposition de plan d'urbanisation et d'hôtel de ville pour Baie d'Urfé (Québec) (1962-1963), un plan de développement pour l'Université McGill (1961), un programme de redéveloppement pour la ville de Westmount (s.d.) et le centre commercial de Kingston sont au nombre des six projets documentés par des photos.
"Documents professionnels, 1960-1963, 24 cm." Le fonds contient des documents, surtout des rapports et des cahiers des charges, pour six projets, notamment la proposition de plan d'urbanisation et d'hôtel de ville pour la municipalité de Baie d'Urfé, l'étude de développement commandée par l'Université McGill et un immeuble d'entretien attenant aux Habitations Jeanne-Mance de Montréal (1963).

"Architectural Drawings, 1968-72, 138 drawings." Four projects include drawings, the majority document the design for offices and laboratories for the Bell Northern Research Company in Ottawa (1971-2); other drawings concern a proposal for the Canadian Chancery Building in Accra, Ghana (1969), a proposal for the Government of Canada's official residence in Dakar, Senegal (1970) and a new entrance to Redpath Hall, McGill University (1968).
"Photographs, 1971-2, 32 photographs." The project for offices and laboratories for Bell Northern Research contains photographs.
"Professional Papers, 1970, 6 cm." A project for the campus of the University of Windsor contains a planning report and a proposed extension to the Faculty Club of McGill University also contains a report.

"Dessins architecturaux, 1968-1972, 138 dessins." Quatre projets sont documentés par des dessins, dont la plupart se rapportent au projet de bureaux et de laboratoires commandés par la société Bell Northern Research à Ottawa (1971-1972); d'autres dessins se rapportent à une proposition d'immeuble pour la chancellerie canadienne à Accra, Ghana (1969), à une proposition de résidence officielle du gouvernement canadien à Dakar, Sénégal (1970), et à une nouvelle entrée pour la salle Redpath de l'Université McGill (1964).
"Photographies, 1971-1972, 32 photos." Le projet de bureaux et de laboratoires de Bell Northern Research est documenté par des photos.
"Documents professionnels, 1970, 6 an." Un projet pour le campus de l'Université de Windsor s'assortit d'un rapport de planification et une proposition d'annexe au Cercle universitaire de l'Université McGill est aussi assorti d'un rapport.

"Architectural Drawings, 1970-81, 94 drawings." The majority of the drawings concern the design for a master plan for the Forillon National Park in Gaspé, PQ (1970); other drawings document the design for a house for John Bland, Jr, in Ste. Anne-de-Bellevue (1976), offices for Bell Northern Research in Ottawa (1975-81) and a library for the University of Windsor (1971).
"Professional Papers, 1970-7, 9 cm." Papers relating to the master plan for the Forillon National Park and a feasibility study for proposed modifications to the property of J. W. McConnell (1977) are found in the CAC.

"Dessins architecturaux, 1970-1981, 94 dessins." La plupart des dessins se rapporte au plan d'ensemble du Parc national de Forillon à Gaspé (Québec) (1970); d'autres dessins documentent le plan d'une maison pour John Bland fils à Sainte-Anne-de-Bellevue (1976), des bureaux pour Bell Northern Research à Ottawa (1975-1981) et une bibliothèque pour l'Université de Windsor (1971).
"Documents professionnels, 1970-1977, 9 cm." La CAC possède des documents qui se rapportent au plan d'ensemble du Parc national de Forillon ainsi qu'une étude de faisabilité pour une proposition de modifications à la propriété de J. W. McConnell (1977).

"Architectural Drawings, 1964-7, 19 drawings." Drawings for alterations to the Canadian Society for the Prevention of Cruelty to Animals building on Rue Jean Talon in Montreal and to the Ross house on St. Sulpice Road in Westmount, as well as drawings of the design of the Manoir Comeau in Baie Comeau, PQ, are found in the archive.
"Papers, 1964, 5 cm." The collection includes correspondence and invoices relating to the design and construction of alterations to the house of J. K. M. Ross on St. Sulpice Street in Westmount.

"Dessins architecturaux, 1964-1967, 19 dessins." Dessins d'un projet de modifications à l'immeuble de la SPCA rue Jean-Talon à Montréal et à la maison Ross, chemin Saint-Sulpice, à Westmount ainsi que des dessins du Manoir Comeau de Baie-Comeau (Québec).
"Documents, 1964, 5 cm." La correspondance et les factures rattachées au projet de modifications à la maison de J. K. M. Ross, chemin Saint-Sulpice à Westmount.

"Professional Papers, 1964-7, 3 cm." Correspondence, specifications, notes and clippings relating to the design of the Manoir Comeau in Baie Comeau, PQ (1966-7) and alterations to the Canadian Society for the Prevention of Cruelty to Animals in Montreal (1964-5), comprise the archive's holdings of this architectural firm.

"Documents professionnels, 1964-1967, 3 cm." De la correspondance, des cahiers des charges, des notes et des coupures de presse se rapportant aux projets du Manoir Comeau à Baie-Comeau (Québec) (1966-1967) et des modifications à l'immeuble de la SPCA à Montréal (1964-1965).

Fonds consists of architectural drawings and related paper files, including:

-4 architectural plans (ink on linen) and 3 blueprints (working drawings) for L.E. Waterman Company Limited, Montreal, Quebec 1908, 1917, 1918, with 1 specification.

-Working drawings (elevations, plans, details, structural, electrical, mechanical) for Belgo Building, Montreal, Quebec 1912, 1913,1923, 1924, 1937, 1954, 1958, 1959, 1965, 1970 (10 paper, 30 linen, 14 blueprints).

-Architectural drawings, specifications and correspondence for the Seagrams Building, Montreal, Quebec 1929, 1931, 1955-57:
24 ink on linen
25 pencil on paper
8 pencil on waxed paper; 21 blueprints; 4 blueline prints; 4 reproductive print.
10 design drawings: floor plans, section.
5 development drawings structural plans, elevator hatchway, rear elevation, opening in party wall.
32 working drawings: floor plans, elevations, sections, roof plan mechanical plans.
23 shop drawings: schedule, footing plan, elevations, wiring, mezzanine, stairs, elevator elevator, penthouse, machinery, floor slab, metalwork, structural plans, steelwork, structural details, structural analysis of existing frame, structural steel plans.
23 details: front elevation, display window and shop entrance, revised elevation, stair framing, roof framing, existing party wall, front elevation including wall section and half plans lightwell, framing plan, flush duct, junction box, walker duct, office partitions, stairs, wall sections, vent dome, general office, windows, entrance doorway, stonework, piping, heating system, boiler room, interior elevations, panelling, display window.
1 sheet; Distillers Corporation Building History. July 5, 1974.
De Stein & McCutcheon. Analysis of Capacity of Existing Structural Frame to Support an Additional Story for Distillers Corporation Limited Peel Street Building. July 11,1955.
F.D. Mathias. Specifications for Heating, Plumbing and Ventilation. July 1955.
F. D. Mathias. Specification for Air conditioning. December 1955.
F. D. Mathias. Specifications for Additions and Alterations to 1430 Peel Street Distillers Corporation Limited. August 1, 1955.
F.D. Mathias. Specifications for Alterations to Heating System. June 1957.
Alterations to Heating System Addendum no.1. July 5, 1957.
Specification for Structural Steel.
Correspondence: De Stein & McCutcheon to F.D. Mathias, Montreal, August 8, 1956.
Correspondence: De Stein & McCutcheon to F.D. Mathias, Montreal, October 6, 1956.
F.D. Mathias. Work to be done for 3rd floor alteration. January 21, 1959.

-"Architectural drawings, specifications and soil investigation, Phillips Square Building, Montreal, Quebec 1947 - 1951."
18 pencil on trace, 5 ink on trace, 7 ink on linen, 5 blueline prints, 47 blueprints.
2 survey drawings: subdivision of lot, existing construction.
1 soil study: depth and nature of soil.
2 development drawings: wall section, electrical and boiler room layout.
37 working drawings: sections at main entrance doors, marble floor-main lobby and entrance, lobby and vestibule plan, vestibule showing marble, section through main entrance, main lobby new display windows, elevator pit, roof plan, seventh floor reflected ceiling plan, fourth floor reflected ceiling plan, first floor reflected ceiling plan, fifth floor reflected ceiling plan, second floor reflected ceiling plan, eleventh floor plan, ninth floor plan, eighth floor plan, basement floor plan, sixth floor plan, tenth floor plan, Phillips Square elevation, St. Catherine St. elevation, lane elevation, south elevation, cross section, basement plan, ground floor plan, first floor plan, typical plan, tenth floor plan, roof plan, drainage plan, heating riser, heating plan, lighting plan.
14 structural drawings: cooling tower base,pile cap, pile foundations, wall details, typical reinforced concrete details, caisson, plans: basement, ground floor, typical, tenth floor, roof, penthouse, foundation, awning boxes.
14 details: main stair, new store fronts south of main entrance, window, structural frame lobby partition, main entrance showing bronze and marble, set back for masonry work, lighting recess in lobby ceiling, corner entrance, storefronts revised, main stair, wall section, main entrance, electrical and boiler room layout.
6 shop drawings: riser diagram, location of ducts on fifth floor, eighth floor ductwork, sprinkler plans for basement, ground and first floors.
6 schedules: door, structural beam, structural slab, structural column.
Paper files: mechanical specifications, heating specifications, elevator specifications, specification of materials, soil investigation.

-"Architectural drawings and paper files, Insurance Exchange Building, Montreal, Quebec 1923, 1924, 1939."
45 ink on linen: 43 working drawings, 2 structural drawings.
20 pencil on paper: 20 working drawings.
62 blueprints: 2 surveys, 2 working drawings, 34 structural drawings, 9 electrical drawings, 9 mechanical drawings, 6 shop drawings.
Paper files: 3 specifications; Specification for Insurance Exchange Building, Specification for Plumbing, Heating and Ventilation 1923, Specification for Boilers, Brickwork and Breeching 1923.

-"Architectural drawings, Mansions Development Co. Limited, Montreal, Quebec 1924, 1925."
3 ink on linen: plan of levels of lot, property lines, block plan
4 pencil on paper: working drawings; rear elevations and exterior details.

"Architectural Drawings, 1955-69, 219 drawings." Architectural drawings documenting eleven projects are found in the CAC. The majority of the drawings are designs for a residential dwelling for J. A. Laing on lie Bizard, PQ (1961-2); other Montreal projects represented in the archives include additions and alterations to the house of N. L. C. Mather in Westmount (1959-60), an addition to the Canadian Society for the Prevention of Cruelty to Animals building on Jean Talon (1962-64), alterations to St. George's Church and a number of alterations to the Sommer Building on Mayor Street (1955-69).
"Photograph, 1959-60." A photograph of a finished exterior of the Mather house in Westmount, with alterations and an addition, is found in the archive.
"Professional Papers, 1958-69, 13 cm." Correspondence, specifications, notes, and statements relating to five projects, including an addition and alterations to the Mather house, alterations to St. George's Church and alterations to the Sommer Building.

"Dessins architecturaux, 1955-1969, 219 dessins." La CAC réunit des dessins architecturaux reliés à onze projets. La plupart des dessins se rapportent à la résidence de J. A. Laing à l'île Bizard (Québec) (1961-1962); au nombre des autres projets montréalais représentés dans le fonds,
signalons les annexes et modifications à la maison de N. L. C. Mather à Westmount (1959-1960), une annexe à l'immeuble de la SPCA, rue Jean-Talon (1962-1964), des modifications apportées à l'église St. George ainsi que des modifications apportées à l'immeuble Sommer, rue Mayor (1955-1969).
"Photographies, 1959-1960." Une photographie de la finition extérieure de la maison Mather à Westmount, avec modifications et annexes.
"Documents professionnels, 1958-1969, 13 cm." De la correspondance, des cahiers des charges, des notes et des relevés se rapportant à cinq projets, notamment à une annexe et des modifications à la maison Mather, ainsi qu'à des modifications à l'église St. George et à l'immeuble Sommer.