Caldrum Works, St Salvador Street, Dundee

Robertson and Orchar 1872, opened 1873, lengthened to Main

Street 1887-90. Single-storey jute spinning, weaving and

finishing works with 2-storey St Salvador Street front.

Rubble-built with slate roofs. Elevation to St Salvador

Street: single-storey calender works with 3 piended

double-pitched roofs. Original loading door. 2-storey

3-bay office, bipartite sash and case, and office door

altered to window. Wallhead stacks. Piended slate roof.

4 large dentil corniced ashlar gatepiers with ornate

wrought-iron gates, 1887. 3 keyblocked ashlar segmental

arches carry 1912 1st floor boardroom with central triple

and flanking bipartite windows. Corniced parapet and

piended roof. 2-storey 2-by 15-bay former bag factory

to E, 1887-90, 3-bays beyond fire-barrier wall added 1915.

10-pane top-hopper windows. Piended slate roof. Elevation

to Glamis Street: 480' long blank rubble wall with higher

parapet forming side wall of 1872 factory, lower parapet

to calender and N extension of factory. Taller starch

house at NW corner largely replaced by polypropylene silos.

Parapet of Main Street elevation stepped down with slope

of hill. 3 loading doors. 12 E-lit piended roofs with 2

fire barrier walls dividing, E, batching bay from central,

5 spinning bays and, W, 6 weaving bays.

Behind St Salvador Street front: loading bay from W with

ornate wrought-iron roof fronted by wide central door way

and flanking arched entrances. 2-storey mechanics shop to

N, 3-bay side with blocked arched door was for a while a

subsidiary engine house. Paired entrances to Factory and

West Mill. Twin engine houses: stair with wrought-iron rail

passes large blocked window of 1872 engine house to reach

its replacement, a massive circa 1900 engine house. Central

ground floor segmental arched door to mill flanked by

window at E and door at W. 2 very large roundheaded windows

each with wooden mullion forming bipartite sash and case

with fanlight over transom. High band course to all 4 sides.

Blank E elevation. 2-storey 3-bay W elevation.

Interior of West Mill and Factory: 12 long bays each running

370' N-S with wooden roofs angled to E, some skylit on both

sides. Spans vary between 27' and 36', reflecting the

lengths of machines which they originally housed, on rows

of 34 cast-iron columns at 11' intervals, bracketted to

carry shafting. Each row is met at the S wall by a large

cast-iron wall box with projecting bracket for main driving

shaft and level gears (shafting removed). Original dividing

walls. Calender at SW corner has 3 double-pitched 36'

span wooden roofs on 2 rows of 9 iron columns. Original

cornices and stair in office, some new partitions. Former

Bag-Sewing Department: wooden 1st floor on single row

of cast-iron columns, timber roof.