Jumbo crossword No 12

Across

1. Large waves start to terrify a friend from France aboard ship (8)
2. May cellist stay performing in a methodical way? (14)
3. Bishop managed to get healthy food (4)
4. One suggested vote against excavation with explosives at first (7)
5. Fail to cope having obtained work that is with Civil Engineers (2,2,6)
6. Spooner's most important pager? He has many buzzers! (9)
7. Technique used to spy hard on European husband, perhaps getting ready to leave outside? (5,7)
8. Horse daughter pulled from small lake near yard (4)
9. Criminals aim to stop bids (9)
10. Surprisingly ignoring limits, Harry vowed to get money he doesn't have (8)
11. Ridiculing vehicle - one primarily carrying a computer scientist (12)
12. Make weak argument to arrest the first drunk (10)
13. Doctor performs operation to reverse inking on back of this? (8)
14. Close sumo wrestling events here (9)
15. Manage company exercises (4)
16. Smear always should be removed from disc (4)
17. Reason original volume's replaced by Catholic (9)
18. Soldier mostly bled on brown material (8)
19. Birds from farm ultimately spat grain out (10)
20. Majesty in Mecca effing when exiling fellow animatedly (12)
21. Notice one drawing's more in the style of pointillism? (8)
22. Close taps having stowed cold drinks (9)
23. Thump! Lump returns (4)
24. Maybe writing mistake at end of manifesto is covered by the media? They don't abide fun (5,7)
25. Groups of professors start to form a secular group that is special (9)
26. View of one opposite (4,2,4)
27. Sailor without help finds shellfish (7)
28. Yield and run into arms of policeman? (4)
29. Dog's master finds bone scattered round shed (4,4,6)
30. Till now successful song he wrote without boundaries bombed (8)

Down

1. Wild brush? (5)
2. Sister's home in New York is more enjoyable without father to begin with (7)
3. Maine's not mistaken for this state! (9)
4. Succinctly express greeting when welcoming character from Greece (3,2)
5. Excited NASCAR fans in crowds initially cheer for one from California (3,10)
6. Fifty elders originally supporting expensive part of church (7)
7. English wine keeping son and daughter occupied (9)
8. Quickly belted out a new hymn's opening parts (2,3,6)
9. Arranged 34 bananas (2,5)
10. A climber on Kilimanjaro initially becomes vertical (5)
11. Hide story - one Twain edited (3,2,4)
12. Where one might find ham experiencing more success than normal? (2,1,4)
13. Discovered duck in pool (5)
14. Member of police force becoming tense in bust (9)
15. Bury pet pierced by tip of rake with shed light on (9)
16. In retrospect, ponder over one silver element (7)
17. Fruit eaten by little monkey (5)
18. Bail arranged before one gives excuse in court (5)
19. Kinky thong I flashed displaying dexterity (7,2,4)
20. Bird from large island tucking into nut (7)
21. Visionary actor vainly performing (11)
22. Volunteers leading a soldier retreating in northern region (5)
23. CEO to lead an amazing new advertisement for starters (3,6)
24. One enters broadcast with poet (9)
25. Broke in very fast, claiming victory (9)
26. Little scamp learning to beg (7)
27. Develop grand property (7)
28. Bread and cheese sandwiches essentially for children (7)
29. Those who join ranks (5)
30. The clergy's destiny found in church (5)
31. Quiet ducks start to timidly go ahead (5)