[11] Working drawing for the roof timbers over the addition

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Sir John Soane office drawings: the drawings of Sir John Soane and the office of Sir John Soane
- Country houses, etc.
  - Wardour Castle, Wiltshire: (executed) extension to a chapel for 8th Lord Arundell of Wardour, 1788 (30)

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Reference number

SM 77/1/35

Purpose

[11] Working drawing for the roof timbers over the addition

Aspect

Plan of roof timbers at base of the dome and transepts; (verso) plan and sections of the roof timbers (cancelled)

Scale

bar scale of 3/10 inch to 1 foot, approximately

Inscribed

Wardour Castle, Drawing for Roof over Dome of Chapel, Scantlings // Principal Beams 13" by 10" // Angle Braces 9" by 9" // Principal Beams over flat 10" by 8" // Wall Plate 8" by 5½, plan lettered A to F corresponding to key: Fig^rIs a Plan desicribing the situation of Beams, Plates and / Braces // B Are Beams over Arches with short Pieces framed between as at C and bolted / together // D are Beams Bolted together and running thro: to wall Plate // E Are angular braces // F beam of Rafter continued through from Plate to Plate and dimensions given; (verso) Section on line AB / shewing the principal rafters over lanter[n] of Dome, and care must / be taken that the collar beam hang[s] so high as to clear the cieling / of Dome. The king Post to be large enough so as to admit the hip / and End rafters to be framed into it; with plates of Iron and / Bolts as are described in the section AB an Iron plate must / be formed and fixed on the Collar beam of hip / & End raftrese and to turn up ot the King Posts / as at a the section on line CD describe the Plate / of Iron more perfect. The Principal beam over / flat, these markers EE only to be framed with / the braces: those marked F to be notched down / and well primed, Line of dome, Archavolt (sic) round Arch, C, Scantlings // Principal Rafters 11" by 7" at Botton (sic) and 9" by 6" at [top] (sheet trimmed) // Collar Beams 8" by 6" // King Posts 12" by 6" // Purloins 7 by 5 // Single Rafters 4 by 3" // Principal Beams over flat 11" by 9" // Siingle Joists over flat 11" by 2½ // Braces 6" by 6", Section on line CD // shewing the End Rafter framed into the Principal / Rafter A with the Iron plate at bottom of Collar Beam --etio- / against the King Post. Rib C in one length framed into / beam d and collar beam c, Line of dome, Archavolt [sic] round arch and dimensions given

Signed and dated

22 September 1788
Copy Welbeck Street Sep^r22^nd1788

Medium and dimensions

Pencil, pen and grey, pink and yellow washes on cartridge paper (509 x 626)

Hand

attributed to Robert Woodgate (clerk 1788-1791)

Notes

The sanctuary addition has a domed ceiling between apsidal ends. A hipped roof covers the centre while lean-to roofs (almost flat) are over the transepts. Three of the working drawings are cancelled in pencil. SM 77/1/35, SM 77/1/36, SM 77/1/37 and SM 77/1/38 show the roof timbers as well as the ribs that support the ceiling.

Level

Drawing

Digitisation of the Drawings Collection has been made possible through the generosity of the Leon Levy Foundation

If you have any further information about this object, please contact us: drawings@soane.org.uk